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Sildenafil Impurity 12

CAS No.
268204-00-8
Chemical Name:
Sildenafil Impurity 12
Synonyms
Nifedipine Impurity 34;Sildenafil impurity 12;Sildenafil Impurity 53;1H-Pyrazole-5-carboxamide, 4-amino-1-methyl-3-(2-methylpropyl)-;Sildenafil Impurity 14/ 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide
CBNumber:
CB43360048
Molecular Formula:
C9H16N4O
Molecular Weight:
196.25
MDL Number:
MOL File:
268204-00-8.mol
MSDS File:
SDS
Last updated:2026-05-28 05:24:12

Sildenafil Impurity 12 Properties

Boiling point 331.8±42.0 °C(Predicted)
Density 1.28±0.1 g/cm3(Predicted)
pka 15.32±0.50(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362

Sildenafil Impurity 12 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 430130 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 268204-00-8 50mg $382 2026-06-03 Buy
Usbiological 430130 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 268204-00-8 100mg $573 2026-06-03 Buy
Biosynth TKA20400 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 268204-00-8 100mg $326 2026-06-05 Buy
Biosynth TKA20400 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 268204-00-8 1g $1038.4 2026-06-05 Buy
Matrix Scientific 292970 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 268204-00-8 50.00mg $116 2026-05-19 Buy
Product number Packaging Price Buy
430130 50mg $382 Buy
430130 100mg $573 Buy
TKA20400 100mg $326 Buy
TKA20400 1g $1038.4 Buy
292970 50.00mg $116 Buy

Sildenafil Impurity 12 Chemical Properties, Uses, Production

Uses

4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide is an impurity of Sildenafil (S435000(P)), which is an orally active selective type 5 cGMP phosphodiesterase inhibitor.

Sildenafil Impurity 12 Preparation Products And Raw materials

Raw materials

Preparation Products

Sildenafil Impurity 12 Suppliers

Global Suppliers ( 37)
Supplier Tel Email Country ProdList Advantage
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66028182 17714375163 yftan@aikonchem.com China 16674 50
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4777 55
Shanghai Xiang Xin Industrial Co., Ltd. 021-50211651 13651607026; sales@xxgmpharm.com China 499 58
Shijiazhuang yaoBo Pharmaceutical Co., Ltd. 15633056635 2880679888@qq.com China 2796 58
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Shanghai Jizhi Biochemical Technology Co. Ltd. 021-4009004166/18616739031 18616739031 3007523370@qq.com China 40000 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
Shenzhen Botel Biotechnology Co. Ltd. 13316949107 13316968096 1979313431@qq.com China 9619 58
Sildenafil Impurity 14/ 4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide 1H-Pyrazole-5-carboxamide, 4-amino-1-methyl-3-(2-methylpropyl)- Sildenafil Impurity 53 Sildenafil impurity 12 Nifedipine Impurity 34 268204-00-8