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4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide

4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
CAS No.
139756-02-8
Chemical Name:
4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide
Synonyms
VIAGRA INTERMEDIATE;Sildenafil Impurity 3;1H-Pyrazole-5-carboxamide,4-am;Sildenafil AMino AMide IMpurity;4-AMINO-1-METHYL-3-N-PROPYL-5-PYRAZOLECA;4-Amino-1-methyl-3-propyl-5-pyrazolecarboxam;4-AMINO-1-METHYL-3-N-PROPYPRZOLE-5-CARBOXAMIDE;4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamid;4-amino-2-methyl-5-propyl-3-pyrazolecarboxamide;4-amino-2-methyl-5-propylpyrazole-3-carboxamide
CBNumber:
CB8855604
Molecular Formula:
C8H14N4O
Formula Weight:
182.22
MOL File:
139756-02-8.mol

4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide Properties

Melting point:
98-101 °C(lit.)
storage temp. 
Refrigerator
CAS DataBase Reference
139756-02-8(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 535745 4-Amino-1-methyl-3-n-propyl-5-pyrazolecarboxamide 96% 139756-02-8 5g $173 2018-11-13 Buy
TCI Chemical A2857 4-Amino-1-methyl-3-propylpyrazole-5-carboxamide >98.0%(HPLC)(T) 139756-02-8 5g $122 2017-12-01 Buy
TCI Chemical A2857 4-Amino-1-methyl-3-propylpyrazole-5-carboxamide >98.0%(HPLC)(T) 139756-02-8 25g $366 2017-12-01 Buy

4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide Chemical Properties,Uses,Production

Chemical Properties

Off-White Solid

Uses

An impurity in the synthesis of Sildenafil.

Uses

A potent hypolipidemic agent. A possible inhibitor of phosphodiesterase 1

4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide Preparation Products And Raw materials

Raw materials

Preparation Products


4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide Suppliers

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