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1H-Pyrazole-1-carboxamidine hydrochloride

CAS No.: 4023-02-3      Formula: C4H7ClN4

Weight: 146.57800

Synonyms: N-GUANYLPYRAZOLE; Pyrazole-1-carboximidamide Hydrochloride; 1-Amidinopyrazole hydrochloride; PYRAZOLE-1-CARBOXAMIDINE; 1H-pyrazole-1-carboxamidine monohydrochloride;




Description

A stable and versatile reagent for the efficient and chemically specific guanylation of sterically unhindered primary and secondary aliphatic amines under mild conditions. Useful reagent in peptide synthesis.

Basic Information
CAS No.:
4023-02-3
Synonyms:
N-GUANYLPYRAZOLE; Pyrazole-1-carboximidamide Hydrochloride; 1-Amidinopyrazole hydrochloride; PYRAZOLE-1-CARBOXAMIDINE; 1H-pyrazole-1-carboxamidine monohydrochloride;
Formula:
C4H7ClN4
Molecular Weight:
146.57800
PSA:
67.69000
LogP:
1.22670
Properties
Appearance & Character:
White to pale yellow crystal or crystalline
Density:
2.2 g/cm3
Melting Point:
167-170 °C(lit.)
Boiling Point:
891.5ºC at 760 mmHg
Flash Point:
493ºC
Storage Conditions:
Safety Info
Symbol:
GHS05 GHS07 GHS08
Signal Word:
Dangerous
Hazard Statement:
H302; H317; H318; H373; H412
Warning Statement:
P273; P280; P305 + P351 + P338
Customs Code:
2933199090
WGK Germany:
3
Hazard Category Code:
R36/37/38
Security Instructions:
S26-S37/39
Dangerous Goods Sign:
Xi