ChemicalBook--->CAS DataBase List--->139756-00-6

139756-00-6

139756-00-6 Structure

139756-00-6 Structure
IdentificationBack Directory
[Name]

1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
[CAS]

139756-00-6
[Synonyms]

Sildenafil Impurity NA
Methisosildenafil Impurity 15
1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOL
1-Methyl-4-nitro-3-propyl-1H-pyrazole
2-methyl-4-nitro-5-propylpyrazole-3-carboxylic acid
1-Methyl-2-nitro-3-propyl-1H-pyrazole-5-carboxylic acid
1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
2-METHYL-4-NITRO-5-PROPYL-2H-PYRAZOLE-3-CARBOXYLIC ACID
1H-Pyrazole-5-carboxylic acid, 1-methyl-4-nitro-3-propyl-
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid ,97%
Sildenafil Impurity 12/Sildenafil Acid Impurity/1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic Acid
[EINECS(EC#)]

1806241-263-5
[Molecular Formula]

C8H11N3O4
[MDL Number]

MFCD02110857
[MOL File]

139756-00-6.mol
[Molecular Weight]

213.19
Chemical PropertiesBack Directory
[Melting point ]

124-127 °C
[Boiling point ]

392.7±42.0 °C(Predicted)
[density ]

1.45±0.1 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,2-8°C
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

2.16±0.50(Predicted)
[color ]

Yellow to Orange to Dark Yellow
[InChI]

InChI=1S/C8H11N3O4/c1-3-4-5-6(11(14)15)7(8(12)13)10(2)9-5/h3-4H2,1-2H3,(H,12,13)
[InChIKey]

GFORSNBMYCLGIE-UHFFFAOYSA-N
[SMILES]

N1(C)C(C(O)=O)=C([N+]([O-])=O)C(CCC)=N1
Raw materials And Preparation ProductsBack Directory
[Raw materials]

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester-->Ethyl 2,4-dioxoheptanoate-->Ethyl 3-n-propylpyrazole-5-carboxylate
[Preparation Products]

1-Methyl-3-propylpyrazole-5-carboxylic acid-->1-Nitropyrazole-->1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide-->1H-Pyrazole-5-carbonyl chloride, 1-methyl-4-nitro-3-propyl-
Hazard InformationBack Directory
[Chemical Properties]

Yellow Solid
[Uses]

Intermediate in the production of Sildenafil.
139756-00-6 suppliers list
Company Name: Yantai Shunkang Biotechnology Co., Ltd.  Gold
Telephone: 0535-7876627 13370911691
Website: www.ytsk.com.cn
Company Name: J & K SCIENTIFIC LTD.  
Telephone: 18210857532 18210857532
Website: https://www.jkchemical.com
Company Name: Chemsky(shanghai)International Co.,Ltd.  
Telephone: 021-50135380
Website: www.shchemsky.com
Company Name: Tianjin heowns Biochemical Technology Co., Ltd.  
Telephone: 400 638 7771
Website: www.heowns.com
Company Name: Shanghai Topbiochem Technology Co., Ltd  
Telephone: 021-58170097
Website: www.topbiochem.com
Company Name: Bide Pharmatech Ltd.  
Telephone: 400-164-7117 18317119277
Website: www.bidepharm.com
Company Name: Quality Control Solutions Ltd.  
Telephone: 0755-66853366 13670046396
Website: www.qcsrm.com
Company Name: Nanjing Chalf-Pharm Technology Co., Ltd.  
Telephone: 025-57018978 18251899859
Website: http://www.chalf-pharm.com
Company Name: Nanjing XiZe Biotechnology CO., Ltd.  
Telephone: 025-66023220 15250997978
Website: http://www.njxizebio.com
Company Name: Shanghai Xiang Xin Industrial Co., Ltd.  
Telephone: 021-50211651 13651607026;
Website: http://www.xxgmpharm.com
Company Name: Shanghai YuanYe Biotechnology Co., Ltd.  
Telephone: 18916372613
Website: www.shyuanye.com
Company Name: Shijiazhuang yaoBo Pharmaceutical Co., Ltd.  
Telephone: 15633056635
Website: http://www.yaoboyiyao.com/
Company Name: Amadis Chemical Company Limited  
Telephone: 571-89925085
Website: http://www.amadischem.com
Company Name: Shanghai Witofly Chemical Co. ,Ltd.  
Telephone: 02150630626 17717886015
Website: www.witofly.com
Company Name: Shenzhen SUNGENING Bio-Medical Co., Ltd.  
Telephone: 0755-28967200 13631290199
Website: https://sungenmed.com/
Company Name: Aikon International Limited  
Telephone: 025-58859352 15955137747
Website: www.aikonchem.com
Company Name: SHANGHAI FDC-CHEMICAL CO.,LTD  
Telephone: 021-61469567 13774476675
Website: http://www.fdc-chemical.com/
Company Name: Wuhan FengyaoTonghui Chemical Products Co., Ltd.  
Telephone: 027-87466105 15377573527
Website: www.chemicalbook.com/ShowSupplierProductsList30440/0_EN.htm
Tags:139756-00-6 Related Product Information
116833-23-9 62871-12-9 263897-18-3 97-05-2 139756-22-2 139756-03-9 60531-34-2 479073-88-6 139756-01-7 1346600-82-5 319491-68-4 42926-52-3 1027192-92-2 194602-23-8 200575-16-2 139756-21-1 59259-90-4 220060-39-9