Product Name

  • Name

    2-Thiophenecarboxylic acid hydrazide

  • EINECS 219-107-0
  • CAS No. 2361-27-5
  • Article Data48
  • CAS DataBase
  • Density 1.335 g/cm3
  • Solubility
  • Melting Point 136-139 °C(lit.)
  • Formula C5H6N2OS
  • Boiling Point 260oC at 760mmHg
  • Molecular Weight 142.181
  • Flash Point 117.8oC
  • Transport Information
  • Appearance white to light yellow crystal powder
  • Safety 26-36-24/25
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 2361-27-5 (2-Thiophenecarboxylic acid hydrazide)
  • Hazard Symbols IrritantXi
  • Synonyms 2-Thenoylhydrazide;2-Thenoylhydrazine;2-Thienoylhydrazine;2-Thienyl hydrazide;2-Thienylcarboxylic acid hydrazide;2-Thiophenecarbohydrazonic acid;2-Thiophenecarbonyl hydrazide;2-Thiophenecarboxylic hydrazide;NSC 653;Thiophene-2-carbohydrazide;
  • PSA 83.36000
  • LogP 1.44280

Synthetic route

2-thiophenylcarboxylic acid
527-72-0

2-thiophenylcarboxylic acid

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
Stage #1: 2-thiophenylcarboxylic acid With dicyclohexyl-carbodiimide In acetonitrile at 0 - 20℃;
Stage #2: With benzotriazol-1-ol In acetonitrile at 0 - 20℃;
Stage #3: With hydrazine hydrate In acetonitrile at 0 - 20℃; for 5h;		87%
Multi-step reaction with 2 steps
1: sulfuric acid / 8 h / Reflux
2: hydrazine hydrate / ethanol / 24 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1: thionyl chloride / Reflux
2: Reflux
3: hydrazine hydrate
View Scheme
1,3-dicyclohexyl-1-(thiophene-2-carbonyl)urea
1204708-00-8

1,3-dicyclohexyl-1-(thiophene-2-carbonyl)urea

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
With hydrazine hydrate In acetonitrile at 0 - 20℃; for 6h;87%
thiophene-2-carboxylic acid methyl ester
5380-42-7

thiophene-2-carboxylic acid methyl ester

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
With hydrazine hydrate In methanol for 0.0833333h; Microwave irradiation;86.7%
With hydrazine hydrate In ethanol at 70℃; for 3.5h;81%
With hydrazine hydrate In ethanol at 80℃; for 18h;80%
Ethyl thiophene-2-carboxylate
2810-04-0

Ethyl thiophene-2-carboxylate

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol Reflux;81%
With hydrazine hydrate8%
With hydrazine In ethanol Heating / reflux;
thiophene-α-carboxylic acid ethyl ester

thiophene-α-carboxylic acid ethyl ester

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
With hydrazine hydrate
C10H14N2O3S
330459-11-5

C10H14N2O3S

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane at 20℃;
2-Thiophenecarbonyl chloride
5271-67-0

2-Thiophenecarbonyl chloride

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide / 1 h / 20 °C / Inert atmosphere
2: hydrazine hydrate / methanol / 3 h / Reflux
View Scheme
Stage #1: 2-Thiophenecarbonyl chloride With N,N-dimethyl-formamide In methanol at 20℃; for 1h; Inert atmosphere;
Stage #2: With hydrazine hydrate In methanol for 3h; Reflux;
With hydrazine hydrate In methanol at 65℃; for 4h;
With hydrazine hydrate; triethylamine In methanol at 65℃; for 4h;
9H-carbazole
86-74-8

9H-carbazole

N,N`-dimethylethylenediamine
110-70-3

N,N`-dimethylethylenediamine

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride
63735-19-3

2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride

thiophene-2-carboxylic acid N'-(2-benzenesulfonyl-1-iminoethyl)hydrazide
329973-99-1

thiophene-2-carboxylic acid N'-(2-benzenesulfonyl-1-iminoethyl)hydrazide

Conditions
ConditionsYield
Stage #1: 2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride With sodium hydroxide In chloroform; water
Stage #2: 2-thienylhydrazide In chloroform at 50℃; for 24h;		100%
monomethyl oxalyl chloride
5781-53-3

monomethyl oxalyl chloride

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

methyl 2-oxo-2-(thiophen-2-ylformohydrazido)acetate

methyl 2-oxo-2-(thiophen-2-ylformohydrazido)acetate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere;100%
With triethylamine In dichloromethane at 20℃; for 16h;
With triethylamine In dichloromethane at 0 - 20℃;
With triethylamine In dichloromethane at 0 - 20℃; for 6h;
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

benzothiazole-2-carbaldehyde
6639-57-2

benzothiazole-2-carbaldehyde

N’-[(2-benzothiazolyl)methylene]thiophene-2-carbohydrazide

N’-[(2-benzothiazolyl)methylene]thiophene-2-carbohydrazide

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 80℃; for 4h;100%
In methanol for 3h; Reflux;72%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-tert-butyl-2-hydroxybenzaldehyde
24623-65-2

3-tert-butyl-2-hydroxybenzaldehyde

(E)-N''-(3-(tert-butyl)-2-hydroxybenzylidene)thiophene-2-carbohydrazide

(E)-N''-(3-(tert-butyl)-2-hydroxybenzylidene)thiophene-2-carbohydrazide

Conditions
ConditionsYield
With hydrogenchloride In methanol; water Reflux;98.6%
pyridine-2-carbaldehyde
1121-60-4

pyridine-2-carbaldehyde

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

(E)-N’-(pyridin-2-ylmethylene)thiophene-2-carbohydrazone

(E)-N’-(pyridin-2-ylmethylene)thiophene-2-carbohydrazone

Conditions
ConditionsYield
With trifluoroacetic acid In ethanol Reflux;98%
With hydrogenchloride In ethanol at 20℃; for 0.5h; Condensation;87%
In ethanol at 100℃;85%
In ethanol at 20℃;
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

potassium thioacyanate
333-20-0

potassium thioacyanate

2-(2-thienylcarbonyl)-1-hydrazinecarbothioamide
139614-71-4

2-(2-thienylcarbonyl)-1-hydrazinecarbothioamide

Conditions
ConditionsYield
With hydrogenchloride In methanol; water for 12h; Heating;98%
With hydrogenchloride60%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

acetylacetone
123-54-6

acetylacetone

(3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
351419-53-9

(3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone

Conditions
ConditionsYield
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation;98%
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h;91%
With PEG-SO3H In water at 20℃; for 0.0833333h;88%
With cellulose sulfuric acid In water at 20℃; for 0.166667h; Knorr Pyrazole Synthesis; Green chemistry; regioselective reaction;88%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
771-03-9

3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one

C13H12N2O4S
541543-29-7

C13H12N2O4S

Conditions
ConditionsYield
In methanol for 2h; Reflux;98%
In methanol for 2h; Reflux;98%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

5-bromosalicyclaldehyde
1761-61-1

5-bromosalicyclaldehyde

C12H9BrN2O2S

C12H9BrN2O2S

Conditions
ConditionsYield
In ethanol for 2h; Reflux;97.1%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

1,3,5-benzene tris(carbonyl chloride)
4422-95-1

1,3,5-benzene tris(carbonyl chloride)

C24H18N6O6S3

C24H18N6O6S3

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran; water97%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-ethyl-2,4-pentanedione
1540-34-7

3-ethyl-2,4-pentanedione

(4-ethyl-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
1006613-76-8

(4-ethyl-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone

Conditions
ConditionsYield
In neat (no solvent) at 120℃; for 0.25h; Microwave irradiation;97%
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h;90%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-chloropentane-2,4-dione
1694-29-7

3-chloropentane-2,4-dione

(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
1006613-75-7

(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)(thiophen-2-yl)methanone

Conditions
ConditionsYield
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation;97%
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h;85%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

(3aS,4R,5R)-5-(3,4,5-Trimethoxy-phenyl)-3,3a,4,5-tetrahydro-2,7,9-trioxa-1-aza-dicyclopenta[a,g]naphthalene-4-carbaldehyde

(3aS,4R,5R)-5-(3,4,5-Trimethoxy-phenyl)-3,3a,4,5-tetrahydro-2,7,9-trioxa-1-aza-dicyclopenta[a,g]naphthalene-4-carbaldehyde

C27H25N3O7S
1610059-73-8

C27H25N3O7S

Conditions
ConditionsYield
With acetic acid In ethanol Reflux;97%
thiophene-2-carbaldehyde
98-03-3

thiophene-2-carbaldehyde

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

(E)-N'-(thiophen-2-ylmethylene)thiophene-2-carbohydrazide

(E)-N'-(thiophen-2-ylmethylene)thiophene-2-carbohydrazide

Conditions
ConditionsYield
With trifluoroacetic acid In ethanol Reflux;97%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-oxo-2-(2-phenylhydrazono)butanoic acid
5335-32-0

3-oxo-2-(2-phenylhydrazono)butanoic acid

2-(2-phenylhydrazono)-3-[2-(thiophene-2-carbonyl)hydrazono]butanoic acid

2-(2-phenylhydrazono)-3-[2-(thiophene-2-carbonyl)hydrazono]butanoic acid

Conditions
ConditionsYield
In propan-1-ol for 2h; Reflux;97%
In methanol for 2h; Reflux;
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

2-(2,3-dihydrobenzo[b][1,4]dioxin-5-yl)acetic acid
274910-20-2

2-(2,3-dihydrobenzo[b][1,4]dioxin-5-yl)acetic acid

N'-[2-(2,3-dihydro-1,4-benzodioxin-5-yl)acetyl]thiophene-2-carbohydrazide

N'-[2-(2,3-dihydro-1,4-benzodioxin-5-yl)acetyl]thiophene-2-carbohydrazide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 18h;97%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

5-nitrofurane-2-carboxaldehyde
698-63-5

5-nitrofurane-2-carboxaldehyde

thiophene-2-carboxylic acid N'-(5-nitrofuran-2-ylmethylene)hydrazide

thiophene-2-carboxylic acid N'-(5-nitrofuran-2-ylmethylene)hydrazide

Conditions
ConditionsYield
In ethanol for 2h; Reflux;96.79%
With hydrogenchloride In 1,4-dioxane; dimethyl sulfoxide at 20℃; for 18h;84%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

2,4-dinitrobenzaldehyde
528-75-6

2,4-dinitrobenzaldehyde

thiophene-2-carboxylic acid N'-(2,4-dinitrobenzylidene)hydrazide

thiophene-2-carboxylic acid N'-(2,4-dinitrobenzylidene)hydrazide

Conditions
ConditionsYield
In ethanol for 2h; Reflux;96.26%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

perfluoropentanoic anhydride
308-28-1

perfluoropentanoic anhydride

A

Perfluoropentanoic acid
2706-90-3

Perfluoropentanoic acid

B

N-(perfluoropentanoyl)-N'-(2-thiophenecarbonyl)hydrazide

N-(perfluoropentanoyl)-N'-(2-thiophenecarbonyl)hydrazide

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere;A n/a
B 96%
...Expand
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

8-((3-(dimethoxymethyl)-4-fluorophenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide

8-((3-(dimethoxymethyl)-4-fluorophenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide

8-((4-fluoro-3-((2-(thiophene-2-carbonyl)hydrazineylidene)methyl)phenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide

8-((4-fluoro-3-((2-(thiophene-2-carbonyl)hydrazineylidene)methyl)phenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide

Conditions
ConditionsYield
Stage #1: 8-((3-(dimethoxymethyl)-4-fluorophenyl)amino)-N-(2-morpholinoethyl)-5-oxo-10,11-dihydro-5H-dibenzo[a,d][7]annulene-3-carboxamide With sulfuric acid In ethanol at 20℃; for 0.5h;
Stage #2: 2-thienylhydrazide In ethanol at 20℃;		96%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-anilino-6-chloropyridazine
1014-78-4

3-anilino-6-chloropyridazine

phenyl-(3-thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)amine
1032705-19-3

phenyl-(3-thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)amine

Conditions
ConditionsYield
Stage #1: 2-thienylhydrazide; 3-anilino-6-chloropyridazine With triethylamine hydrochloride In para-xylene for 24h; Heating / reflux;
Stage #2: With potassium carbonate In water		95%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

4-trifluoromethyl-phenyl acetyl chloride
329-15-7

4-trifluoromethyl-phenyl acetyl chloride

N-(4-trifluoromethylbenzoyl)-N'-(2-thiophenecarbonyl)hydrazide
261178-17-0

N-(4-trifluoromethylbenzoyl)-N'-(2-thiophenecarbonyl)hydrazide

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 20℃; Inert atmosphere;95%
methanol
67-56-1

methanol

2-thienylhydrazide
2361-27-5

2-thienylhydrazide

vanadium(lll) chloride THF complex

vanadium(lll) chloride THF complex

C5H6Cl2N2O2SV

C5H6Cl2N2O2SV

Conditions
ConditionsYield
for 4h; pH=3.5 - 4.5; Reflux;94.56%
...Expand
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

3-acetyl-4-hydroxychromen-2-one
2555-37-5

3-acetyl-4-hydroxychromen-2-one

3-{1-[(2-thienylcarbonyl)hydrazono]ethyl}-4-hydroxy-2H-1-benzopyran-2-one
1352444-58-6

3-{1-[(2-thienylcarbonyl)hydrazono]ethyl}-4-hydroxy-2H-1-benzopyran-2-one

Conditions
ConditionsYield
In propan-1-ol for 24h; Reflux;94%
In propan-1-ol for 24h; Reflux;94%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

1-(4-chlorophenyl)-4-(methylsulfanyl)-5H-pyrrolo[2,1-d][1,2,5]triazepine

1-(4-chlorophenyl)-4-(methylsulfanyl)-5H-pyrrolo[2,1-d][1,2,5]triazepine

6-(4-chlorophenyl)-3-(thiophen-2-yl)-11H-pyrrolo[1,2-e][1,2,4]triazolo[4,3-b][1,2,5]triazepine

6-(4-chlorophenyl)-3-(thiophen-2-yl)-11H-pyrrolo[1,2-e][1,2,4]triazolo[4,3-b][1,2,5]triazepine

Conditions
ConditionsYield
With hydrogenchloride In water; butan-1-ol Reflux;94%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

4-Chlorophenyl isothiocyanate
2131-55-7

4-Chlorophenyl isothiocyanate

N-(4-chlorophenyl)-2-(thiophene-2-carbonyl)hydrazine-1-carbothioamide

N-(4-chlorophenyl)-2-(thiophene-2-carbonyl)hydrazine-1-carbothioamide

Conditions
ConditionsYield
In ethanol for 5h; Reflux;94%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

7-[(Z)-2-(4-Bromo-phenyl)-2-chloro-vinyl]-1-methyl-3,4,5,6-tetrahydro-2H-azepinium; perchlorate

7-[(Z)-2-(4-Bromo-phenyl)-2-chloro-vinyl]-1-methyl-3,4,5,6-tetrahydro-2H-azepinium; perchlorate

[3-(4-Bromo-phenyl)-5-(5-methylamino-pentyl)-pyrazol-1-yl]-thiophen-2-yl-methanone; hydrochloride
139124-06-4

[3-(4-Bromo-phenyl)-5-(5-methylamino-pentyl)-pyrazol-1-yl]-thiophen-2-yl-methanone; hydrochloride

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;93%
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

isothiocyanatocyclohexane
1122-82-3

isothiocyanatocyclohexane

N-cyclohexyl-2-(thiophene-2-carbonyl)hydrazinecarbothioamide
331461-23-5

N-cyclohexyl-2-(thiophene-2-carbonyl)hydrazinecarbothioamide

Conditions
ConditionsYield
at 80℃; for 12h;93%
In ethanol for 5h; Reflux;81%
In ethanol for 0.5h; Reflux;
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

pyrene-1-aldehyde
3029-19-4

pyrene-1-aldehyde

N’-(pyren-4-ylmethylene)thiophene-2-carbohydrazide

N’-(pyren-4-ylmethylene)thiophene-2-carbohydrazide

Conditions
ConditionsYield
With acetic acid In ethanol at 20℃; for 3h;93%
In ethanol for 8h; Reflux;82%
In ethanol for 8h; Reflux;
2-thienylhydrazide
2361-27-5

2-thienylhydrazide

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

thiophene-2-carboxylic acid N'-(4-nitrobenzylidene)hydrazide

thiophene-2-carboxylic acid N'-(4-nitrobenzylidene)hydrazide

Conditions
ConditionsYield
In ethanol for 2h; Reflux;92.6%

2-Thiophenecarboxylic acid hydrazide Specification

The IUPAC name of 2-Thiophenecarboxylicacid, hydrazide is thiophene-2-carbohydrazide. With the CAS registry number 2361-27-5, it is also named as Thiophene-2-carboxylic acid hydrazide. The product's categories are Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes; Thiophene & Benzothiophene; Organic Acids; Building Blocks; Heterocyclic Building Blocks; Thiophenes. Besides, it is white to light yellow crystal powder, which should be stored in sealed containers in a cool, dry place. In addition, its molecular formula is C5H6N2OS and molecular weight is 142.18.

The other characteristics of this product can be summarized as: (1)EINECS: 219-107-0; (2)ACD/LogP: -0.08; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -0.08; (5)ACD/LogD (pH 7.4): -0.08; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)ACD/KOC (pH 5.5): 21.64; (9)ACD/KOC (pH 7.4): 21.68; (10)#H bond acceptors: 3; (11)#H bond donors: 3; (12)#Freely Rotating Bonds: 2; (13)Polar Surface Area: 51.79 Å2; (14)Index of Refraction: 1.615; (15)Molar Refractivity: 37.16 cm3; (16)Molar Volume: 106.4 cm3; (17)Polarizability: 14.73×10-24cm3; (18)Surface Tension: 57.3 dyne/cm; (19)Density: 1.335 g/cm3; (20)Melting point 136-139 °C.

Uses of 2-Thiophenecarboxylicacid, hydrazide: it can react with pyridine-4-carbaldehyde to get thiophene-2-carboxylic acid pyridin-4-ylmethylene-hydrazide.



This reaction needs ethanol by heating on a steam bath for 30 min. The yield is 89 %.

When you are using this chemical, please be cautious about it as the following: it is irritating to eyes, respiratory system and skin. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing to avoid contact with skin and eyes.

People can use the following data to convert to the molecule structure.
(1)SMILES: O=C(NN)c1sccc1
(2)InChI: InChI=1/C5H6N2OS/c6-7-5(8)4-2-1-3-9-4/h1-3H,6H2,(H,7,8)
(3)InChIKey: SOGBOGBTIKMGFS-UHFFFAOYAH
(4)Std. InChI: InChI=1S/C5H6N2OS/c6-7-5(8)4-2-1-3-9-4/h1-3H,6H2,(H,7,8)
(5)Std. InChIKey: SOGBOGBTIKMGFS-UHFFFAOYSA-N

Related Products

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View