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Qingdao Beluga Import and Export Co., LTD

Pyrimido[4,5-d]pyrimidine, 1,5-dihydro-2-methyl- (6CI,8CI,9CI) CAS:31375-19-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates,

Pyrimido[4,5-d]pyrimidine, 1,5-dihydro-2-methyl- (6CI,8CI,9CI) CAS:31375-19-6

Cas:31375-19-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Pyrimido[4,5-d]pyrimidine, 1,5-dihydro-2-methyl- (6CI,8CI,9CI)

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

31375-19-6

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Pyrimido[4,5-d]pyrimidine, 1,5-dihydro-2-methyl- (6CI,8CI,9CI)

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

7-methyl-1,4,4a,8a-tetrahydropyrimido[4,5-d] pyrimidine

Cas:31375-19-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-cas:31375-19-6

Cas:31375-19-6

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Chungking Joyinchem Co., Ltd.

Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation

Pyrimido[4,5-d]pyrimidine,1,4-dihydro-7-methyl-

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

31375-19-6

Cas:31375-19-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

5-(aminomethyl)-2-methylpyrimidin-4-amine
95-02-3

5-(aminomethyl)-2-methylpyrimidin-4-amine

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

Conditions
ConditionsYield
1.) 80 to 85 deg C, 2.) 90 deg C, 30 min;88.5%
5-(aminomethyl)-2-methylpyrimidin-4-amine
95-02-3

5-(aminomethyl)-2-methylpyrimidin-4-amine

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

Conditions
ConditionsYield
With toluene-4-sulfonic acid Heating;71%
pyridine
110-86-1

pyridine

4-Amino-2-methyl-5-thioformamidomethylpyrimidin
31375-20-9

4-Amino-2-methyl-5-thioformamidomethylpyrimidin

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

4-Amino-2-methyl-5-thioformamidomethylpyrimidin
31375-20-9

4-Amino-2-methyl-5-thioformamidomethylpyrimidin

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

Conditions
ConditionsYield
With pyridine
5-(aminomethyl)-2-methylpyrimidin-4-amine
95-02-3

5-(aminomethyl)-2-methylpyrimidin-4-amine

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2O
2: pyridine
View Scheme
3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

3-Mercapto-4-oxopentyl Acetate
55289-66-2

3-Mercapto-4-oxopentyl Acetate

Thiamine formate
130967-53-2

Thiamine formate

Conditions
ConditionsYield
With formic acid for 0.5h; Ambient temperature;89.3%
3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

2-methyl-4-amino-5-formylaminomethylpyrimidine
1886-34-6

2-methyl-4-amino-5-formylaminomethylpyrimidine

Conditions
ConditionsYield
an der Luft erfolgt;
3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine
31375-19-6

3,4-Dihydro-7-methylpyrimido<4,5-d>pyrimidine

3-Mercapto-4-oxopentyl Acetate
55289-66-2

3-Mercapto-4-oxopentyl Acetate

Thiamine hydrochloride
67-03-8

Thiamine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; formic acid 1.) 30 min, RT, 2.) EtOH, 30 min, RT; Yield given. Multistep reaction;

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