Xanthine supplier | CasNO.69-89-6

Name
2,6-Dihydroxypurine
EINECS 200-718-6
CAS No. 69-89-6
Article Data123
CAS DataBase
Density 1.94 g/cm³
Solubility NH₄OH: freely soluble
Melting Point 300 °C
Formula C₅H₄N₄O₂
Boiling Point 834.9 °C at 760 mmHg
Molecular Weight 152.112
Flash Point 458.7 °C
Transport Information
Appearance White to off-white crystalline powder
Safety 36/37
Risk Codes 36-43
Molecular Structure
Hazard Symbols Xi
Synonyms 1H-Purine-2,6-dione,3,7-dihydro-;1H-Purine-2, 6-diol;9H-Purine-2,6-(1H,3H)-dione;3,7-dihydropurine-2,6-dione;Isoxanthine;USAF CB-17;2,6-Dioxo-1,2,3,6-tetrahydropurine;Xanthic oxide;1H-Purine-2,6-diol;2,6(1,3)-Purinedion;XAN;Purine-2,6(1H,3H)-dione;3,5-dihydropurine-2,6-dione;3,7-dihydro-1H-purine-2,6-dione;Pseudoxanthine;Purine-2,6-diol;1H-Purine-2,6-dione, 3,7-dihydro-;Purine-2(3H),6(1H)-dione;Xanthin;1-H-purine-2,6-dione, 3,7-dihydro(9CI);2,6-Dihydroxypurine;
PSA 94.40000
LogP -1.06050

Synthetic route

: 73-40-5
guanine

: 69-89-6
xanthin

Conditions

Conditions	Yield
With perchloric acid at 110 - 130℃; for 0.25h;	69%
enzymatische Bildung;
With nitric acid

: 290-87-9
1,3,5-Triazine

: 3240-72-0
5,6-diaminouracil

: 69-89-6
xanthin

: 4919-06-6
5-ureido-4-imidazole carboxylate

: 69-89-6
xanthin

Conditions

Conditions	Yield
With hydrogenchloride

: 83-39-6
1H-imidazole-4,5-dicarboxamide

: 69-89-6
xanthin

Conditions

Conditions	Yield
With sodium hydroxide; sodium hypochlorite

: 5442-24-0
6-amino-5-nitrosouracil

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

Conditions

Conditions	Yield
With sodium metabisulfite; formic acid at 180℃;
With sodium metabisulfite; formic acid at 180℃;

: 69-93-2
uric Acid

: 627-45-2
N-formylethylamine

: 69-89-6
xanthin

: 69-93-2
uric Acid

: 544-17-2
calcium diformate

: 69-89-6
xanthin

Conditions

Conditions	Yield
With calcium hydroxide; water Erhitzen bis zur beginnenden Gasentwicklung;

: 69-93-2
uric Acid

: 144-62-7
oxalic acid

: 56-81-5
glycerol

A: 645-93-2
ammelide

B: 69-89-6
xanthin

Conditions

Conditions	Yield
at 200℃;

...Expand

: 69-93-2
uric Acid

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

A: 68-94-0
1,7-dihydro-6H-purin-6-one

B: 69-89-6
xanthin

Conditions

Conditions	Yield
With water at 180 - 200℃;

...Expand

: 69-93-2
uric Acid

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

: 64-18-6
formic acid

: 69-93-2
uric Acid

: 56-81-5
glycerol

: 69-89-6
xanthin

Conditions

Conditions	Yield
at 225 - 230℃;

...Expand

: 69-93-2
uric Acid

: 103-70-8
Formanilid

: 69-89-6
xanthin

: 69-93-2
uric Acid

: 69-89-6
xanthin

Conditions

Conditions	Yield
With oxalic acid; glycerol at 200℃;
With nitrogen oxides; water; Nitrogen dioxide at 70℃;
With formic acid; glycerol at 225 - 230℃;
With cyclothionine; xanthine oxidase In phosphate buffer at 25℃; pH=6.5; Equilibrium constant; Further Variations:; Reagents;

: 69-93-2
uric Acid

A: 645-93-2
ammelide

B: 69-89-6
xanthin

Conditions

Conditions	Yield
With oxalic acid; glycerol at 200℃;

: 10184-00-6
6-amino-5-formylamino-1H-pyrimidine-2,4-dione

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

Conditions

Conditions	Yield
With formic acid

: 10184-01-7
5-acetylamino-6-amino-1H-pyrimidine-2,4-dione

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

: 5435-16-5
5-sulfaminouracil

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

: 360-97-4
5-Aminoimidazole-4-carboxamide

: 57-13-6
urea

: 69-89-6
xanthin

: 42965-55-9
5,6-diaminouracil sulfate

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 69-89-6
xanthin

: 68-94-0
1,7-dihydro-6H-purin-6-one

: 69-89-6
xanthin

Conditions

Conditions	Yield
enzymatische Bildung;
With xanthine oxidase Enzymatic reaction;

: 68-94-0
1,7-dihydro-6H-purin-6-one

A: 69-93-2
uric Acid

B: 69-89-6
xanthin

Conditions

Conditions	Yield
bei enzymatischen Oxydation;

: 6979-73-3
5-(phenylazo)-6-aminouracil

: 69-89-6
xanthin

Conditions

Conditions	Yield
With nickel; formamide at 180℃; under 66195.7 Torr; Hydrogenation;

: 58-61-7
adenosine

: 69-89-6
xanthin

Conditions

Conditions	Yield
at 39℃; bei der Einw. von waessr.Extrakt aus menschlicher Leber;

: 73-40-5
guanine

A: 69-93-2
uric Acid

B: 69-89-6
xanthin

Conditions

Conditions	Yield
Verfuetterung an Enten;

: 73-40-5
2-amino-1,9-dihydro-6H-purin-6-one

: 69-89-6
xanthin

Conditions

Conditions	Yield
With sodium azide; phosphate buffer; guanase in serum; McIlvaine buffer; (E)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazine;hydrochloride; N,N-dimethyl-aniline; citric acid; xanthine oxidase; peroxidase 1.) pH=6.2; 2.) pH=3.5; 3.) standard assay of guanase activity in serum;

: 69-89-6
xanthine radical

: 69-89-6
xanthin

Conditions

Conditions	Yield
With p-methoxyphenolate In water at 20℃; Rate constant; Equilibrium constant; pH 13.0; further reagent;

: 146-80-5
xanthosine

: 69-89-6
xanthin

Conditions

Conditions	Yield
With hydrogenchloride In water at 25℃; Rate constant;

2.6-diiodopurine: 2.6-diiodopurine

: 69-89-6
xanthin

Conditions

Conditions	Yield
With hydrogenchloride at 100℃;

: 7647-01-0
hydrogenchloride

: 2-((6-oxo-6,7-dihydro-1H-purin-2-yl)thio)acetic acid

: 69-89-6
xanthin

: 74-83-9
methyl bromide

: 69-89-6
xanthin

: 58-08-2
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions

Conditions	Yield
With solution aqueuse d'hydroxide de sodium; tetrabutylammomium bromide In dichloromethane 1)room temp. 12h 2)reflux 3h;	100%

: chromium perchlorate hydrate

: 69-89-6
xanthin

: Cr(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)=[Cr(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:3), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	100%

: zirconyl chloride octahydrate

: 69-89-6
xanthin

: ZrO(2+)*2(C5H4N4(O)2)*C5H3N4(O)2(1-)*Cl(1-)*H2O = ZrO(C5H4N4(O)2)2(C5H3N4(O)2)Cl*H2O

Conditions

Conditions	Yield
In ethanol Zr-compound refluxed in ethanol/triethyl orthoformate for 2 h; N-compound added and refluxed for 36 h; cooled to room temp.; filtered; washed with acetone; elem. anal.;	91%

: 69-89-6
xanthin

: 10357-68-3
8-bromo-3,7-dihydro-1H-purine-2,6-dione

Conditions

Conditions	Yield
With bromine In water at 100℃; for 4h; Sealed tube; Inert atmosphere;	90%
With bromine In water at 100℃; Sealed tube;	71%
With bromine at 100℃;
With bromine In water at 100℃;	18.4 g
With bromine In water at 100℃; Inert atmosphere;	3.05 g

: 4227-95-6
[13C]methyl iodide

: 69-89-6
xanthin

: (trimethyl-13C3)caffeine

Conditions

Conditions	Yield
With sodium hydroxide In acetone for 24h; Ambient temperature;	90%

: 173417-21-5
[(AuBr)2(μ-1,3-bis(diphenylphosphino)propane)]

: 69-89-6
xanthin

: 178314-59-5
[Au2(μ-xanthinate(2-))(μ-1,3-bis(diphenylphosphino)propane)]

Conditions

Conditions	Yield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;	90%

: iron(III) perchlorate hydrate

: 69-89-6
xanthin

: Fe(3+)*2(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)2(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:3), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	86.2%

: 2374-27-8
methylmercuric nitrate

: 1184-57-2
methylmercury(II) hydroxide

: 69-89-6
xanthin

: (CH3Hg)3N3H(CO)2C2NCH(1+)*NO3(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHNO3*H2O

Conditions

Conditions	Yield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgNO3 in H2O, soln. was stirred for 1 h, allowed to cool,; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;	86%

...Expand

: 69-89-6
xanthin

: 6257-10-9
N,N'-dicyclohexyl-O-methyl isourea

: 58-08-2
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 100℃; for 48h;	85%

: 69-89-6
xanthin

: 74-88-4
methyl iodide

A: 86180-29-2
7,9-dimethylxanthinium iodide

B: 86180-33-8
1,7,9-trimethylxanthinium iodide

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 110℃; for 5h; closed Kjeldahl flask;	A 85% B 10%

...Expand

: copper(II) perchlorate hexahydrate

: 4097-89-6
2,2',2''-triaminotriethylamine

: 69-89-6
xanthin

: [Cu(tris(2-aminoethyl)amine)(xanthine)](ClO4)2*3H2O

Conditions

Conditions	Yield
With NaOH In methanol; water xanthine was dissolved in an aq. soln. of min NaOH, a methanolic soln. of Ni-salt was added, treated with amine, (xanthine:Cu-salt:amine=1:2:2),the mixt. (pH 7-8) was allowed to stand at room temp. for 2 weeks; elem. anal.;	85%

...Expand

: 1184-57-2
methylmercury(II) hydroxide

: 69-89-6
xanthin

: (CH3Hg)3N3(CO)2C2NCH*2H2O

Conditions

Conditions	Yield
With NH4OH In not given ligand was suspended in mixt. of concd. NH4OH and MeHgOH, suspn. was refluxed for 4 d, allowed to cool to room temp.; after 2 d ppt. was filtered, dried in vac.; elem. anal.;	83%

: 40661-97-0
methylmercury(II)ClO4

: 1184-57-2
methylmercury(II) hydroxide

: 69-89-6
xanthin

: (CH3Hg)3N3H(CO)2C2NCH(1+)*ClO4(1-)*H2O=(CH3Hg)3N3H(CO)2C2NCHClO4*H2O

Conditions

Conditions	Yield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgClO4 in H2O,soln. was stirred for 1 h, allowed to cool,; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;	83%

...Expand

: 2374-27-8
methylmercuric nitrate

: 1184-57-2
methylmercury(II) hydroxide

: 69-89-6
xanthin

: (CH3Hg)4N3(CO)2C2NCH(1+)*NO3(1-)=(CH3Hg)4N3(CO)2C2NCHNO3

Conditions

Conditions	Yield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgNO3 in H2O, soln. was stirred for 1 h; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;	83%

...Expand

: 101841-62-7
μ-{1,2-bis(diphenylphosphino)butane}-dibromodigold(I)

: 69-89-6
xanthin

: 178314-60-8
[Au2(μ-xanthinate(2-))(μ-1,4-bis(diphenylphosphino)butane)] * H2O

Conditions

Conditions	Yield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;	82%

: 178314-67-5
[(AuBr)2(μ-1,2-bis(dimethylphosphino)ethane)]

: 69-89-6
xanthin

: [Au2(μ-xanthinate(2-))(μ-1,2-bis(dimethylphosphino)ethane)] * 3 H2O

Conditions

Conditions	Yield
With KOH In ethanol byproducts: KBr; inert atmosphere; addn. of mixt. of purine ligand and 1 equiv. KOH to 1 equiv. diphosphine, refluxing for 30 min; filtration, crystn. (room temp.); elem. anal.;	80%

: 4097-89-6
2,2',2''-triaminotriethylamine

: 69-89-6
xanthin

: 1137597-15-9
[Cd(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O

Conditions

Conditions	Yield
With KOH In methanol; water xanthine was dissolved in an aq. soln. of min KOH, a methanolic soln. ofCd-salt was added, treated with amine, the mixt. (pH 9-10) was allowed to stand at room temp. for 1 week; elem. anal.;	78%

...Expand

: (hydrotris(3-p-cumenylmethylpyrazolyl)borate)Zn(OH)

: 69-89-6
xanthin

: (tris(3-cumenyl-5-methylpyrazolyl)borate)Zn(xanthinate)

Conditions

Conditions	Yield
In methanol; dichloromethane addn. of 1 equiv. ligand (in MeOH) to Zn-complex (in CH2Cl2), stirring for 2 h; vol. reduction (vac.), crystn. (4°C, 1 d), collection (filtration), drying (vac.); elem. anal.;	77%

: nickel(II) perchlorate hydrate

: 69-89-6
xanthin

: Ni(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Ni(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	76.2%

: cobalt(II) perchlorate hydrate

: 69-89-6
xanthin

: Co(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Co(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	75.7%

: 616-38-6
carbonic acid dimethyl ester

: 69-89-6
xanthin

: 58-08-2
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

Conditions

Conditions	Yield
With 18-crown-6 ether In N,N-dimethyl-formamide at 90℃; for 12h;	74%

: Co(II) chloride hydrate

: 69-89-6
xanthin

: Co(xnH)2(xn)Cl

Conditions

Conditions	Yield
In ethyl acetate Co salt dissolved in a 7:3 (vol./vol.) mixture of triethyl orthoformate-ethyl acetate, refluxed (1 h), addn. of a warmed slurry of the ligand in the same solvent, refluxed (1 wk), allowed to cool to room temp.; collected by gravity filtration, washed thoroughly (anhydrous diethyl ether), stored (vac., anhydrous CaSO4); elem. anal.;	73%

: iron(II) perchlorate hydrate

: 69-89-6
xanthin

: Fe(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*H2O=[Fe(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	71.6%

: 40661-97-0
methylmercury(II)ClO4

: 1184-57-2
methylmercury(II) hydroxide

: 69-89-6
xanthin

: (CH3Hg)4N3(CO)2C2NCH(1+)*ClO4(1-)*2H2O=(CH3Hg)4N3(CO)2C2NCHClO4*2H2O

Conditions

Conditions	Yield
In water ligand was dissolved in a boiling mixt. of MeHgOH and MeHgClO4 in H2O,soln. was stirred for 1 h; after 3 d ppt. was filtered, washed with EtOH, dried in vac.; elem. anal.;	70%

...Expand

: 77-78-1
dimethyl sulfate

: 69-89-6
xanthin

: 7,9-dimethylxanthinium hydrogensulfate

Conditions

Conditions	Yield
at 150℃; for 5h; closed Kjeldahl flask;	69%

: zinc perchlorate

: 4097-89-6
2,2',2''-triaminotriethylamine

: 69-89-6
xanthin

: 1137597-11-5
[Zn(tris(2-aminoethyl)amine)(xanthine-H)]ClO4*H2O

Conditions

Conditions	Yield
With NaOH In methanol; water xanthine was dissolved in an aq. soln. of min NaOH, a methanolic soln. of Zn-salt and amine-compound was added, the mixt. (pH 8-9) was allowed to stand at room temp. for 1 month; elem. anal.;	69%

...Expand

: manganese(II) perchlorate hydrate

: 69-89-6
xanthin

: Mn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Mn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	65.4%

: zinc(II) perchlorate hydrate

: 69-89-6
xanthin

: Zn(2+)*(NHCONHCCCONCHN)(1-)*2(NHCONHCCCONHCHN)*ClO4(1-)*2H2O=[Zn(NHCONHCCCONCHN)(NHCONHCCCONHCHN)2]ClO4*2H2O

Conditions

Conditions	Yield
In ethyl acetate soln. of hydrated metal perchlorate in a mixt. of ethyl acetate and triethyl orthoformate, addn. of xanthanine (molar ratio metal:xanthine 1:2), mixt. refluxed (6 h or until no further change), cooled (ambient temp.); addn. of anhydrous Et2O, concn. (at low heat), pptn., filtration, washed (Et2O), stored (over anhydrous CaSO4); elem. anal.;	62.5%

: nickel(II) perchlorate hexahydrate

: 4097-89-6
2,2',2''-triaminotriethylamine

: 69-89-6
xanthin

: 1137597-19-3
[Ni(tris(2-aminoethyl)amine)(xanthine-H)(H2O)]ClO4*H2O

Conditions

Conditions	Yield
With KOH In methanol; water xanthine was dissolved in an aq. soln. of min KOH, a methanolic soln. ofNi-salt was added, treated with amine, the mixt. (pH 8-9) was allowed t o stand at room temp. for 2 days; elem. anal.;	62%

...Expand

Xanthine Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Xanthine Specification

Xanthine, with the CAS Number 69-89-6, is a yellowish-white, crystalline purine base. Xanthine is a purine base found in most human body tissues and fluids and in other organisms. Xanthine is a product on the pathway of purine degradation. It is created from guanine by guanine deaminase; from hypoxanthine by xanthine oxidoreductase or from xanthosine by purine nucleoside phosphorylase(PNP).

Physical properties about Xanthine are: (1)ACD/LogP: -0.13; (2)ACD/LogD (pH 5.5): -3.63; (3)ACD/LogD (pH 7.4): -3.63; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 6; (9)#H bond donors: 3; (10)Index of Refraction: 1.903; (11)Molar Refractivity: 36.566 cm³; (12)Molar Volume: 78.403 cm³; (13)Polarizability: 14.496 10-24cm³; (14)Surface Tension: 170.186996459961 dyne/cm; (15)Density: 1.94 g/cm³; (16)Flash Point: 458.72 °C; (17)Enthalpy of Vaporization: 125.498 kJ/mol; (18)Boiling Point: 834.882 °C at 760 mmHg

You can still convert the following datas into molecular structure:
(1)InChI=1S/C5H4N4O2/c10-4-2-3(7-1-6-2)8-5(11)9-4/h1H,(H3,6,7,8,9,10,11);
(2)InChIKey=LRFVTYWOQMYALW-UHFFFAOYSA-N;
(3)Smilesc12c(c([nH]c([nH]1)=O)=O)[nH]cn2

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD	oral	> 3333mg/kg (3333mg/kg)		French Medicament Patent Document. Vol. #2698M,
mouse	LD50	intraperitoneal	500mg/kg (500mg/kg)		National Technical Information Service. Vol. AD277-689,

Product Name

2,6-Dihydroxypurine

Synthetic route

Xanthine Consensus Reports

Xanthine Specification

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