Taw qhiathiab daim ntawv thovntawm CAS No. 139756-01-7|1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide
1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide yog ib qho impurity ntawm sildenafil, uas yog siv los kho erectile kawg. Nws tau pom nyob rau hauv ib puag ncig vim nws siv dav thiab nws tuaj yeem kuaj pom siv cov txheej txheem chromatographic.
1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide khi rau thiol pawg thiab tej zaum yuav ua rau txiv neej tsis muaj menyuam hauv cov tsiaj. Lub sijhawm kuaj pom rau qhov sib xyaw no yog li ntawm 2 teev mus rau 24 teev, nyob ntawm txoj kev kuaj pom. Qhov impurity no kuj muaj cov khoom fluorescence uas tuaj yeem kuaj pom nrog UV teeb.
Synonyms:
2-methyl-4-nitro-5-propylpyrazole-3-carboxamide;
1H-Pyrazole-5-carboxamide,1-methyl-4-nitro-3-propyl;
1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide;
1-methyl-4-nitro-3-propyl-1H-5-pyrazole carboxamide;
1-methyl4-nitro-3-n-propylpyrazole-5-carboxamide;
1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide;
2-methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxamide;
Specification ntawm CAS No. 139756-01-7|1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide
|
Yam khoom |
SPECIFICATION |
|
CAS |
139756-01-7 |
|
MF |
C8H12N4O3 |
|
MW |
212.21 |
|
melting Point |
137.0 mus rau 141.0 degree |
|
Qhov ntom |
1.45 ± 0.1 g / cm3 (Tshaj tawm) |
|
Boiling point |
334.6 ± 42. 0 degree (Predicted) |
|
Refractive Index |
1.629 |
|
acidity coefficient (pKa) |
14.62 ± 0.50 (Tshaj tawm) |
Package ua thiab kev thauj mus losntawm Kev Taw Qhia thiab kev siv ntawmCAS No. 139756-01-7|1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide
Pob: 0.1g, 1g, 5g, 25g, 100g, 500g, 1kg
Kev thauj mus los: los ntawm courier / los ntawm huab cua / los ntawm hiav txwv
Cov ntawv txheebntawmCAS No. 139756-01-7|1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide
Kev sib cais thiab kev txiav txim siab ntawm hluavtaws impurities ntawm sildenafil (Viagra) los ntawm thim rov qab-theem high-performance kua chromatography
V Nagaraju, D Sreenath, JT Rao, RN Rao - Analytical sciences, 2003 - jstage.jst.go.jp
… Nws synthesis8 suav nrog ob peb kauj ruam, uas 4-amino 1-methyl-3-propylpyrazole-5carboxamide
(AMP) yog thawj zaug tau los ntawm 1-methyl-4-nitro3-propylpyrazole-5-carboxamide (MNC) ...
Cim npe nrov: cas no.139756-01-7|1-methyl-4-nitro-3-propylpyrazole-5-carboxamide, Tuam Tshoj cas no.139756-01-7|1-methyl-4-nitro-3-propylpyrazole-5-carboxamide manufacturers, hoobkas
