402516
1H-Pyrazole-1-carboxamidine hydrochloride
99%
Synonym(s):
1-Amidinopyrazole hydrochloride, Praxadine
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About This Item
Empirical Formula (Hill Notation):
C4H6N4 · HCl
CAS Number:
Molecular Weight:
146.58
Beilstein:
5448758
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Assay
99%
form
powder
mp
167-170 °C (lit.)
functional group
amine
SMILES string
Cl[H].NC(=N)n1cccn1
InChI
1S/C4H6N4.ClH/c5-4(6)8-3-1-2-7-8;/h1-3H,(H3,5,6);1H
InChI key
RBZRMBCLZMEYEH-UHFFFAOYSA-N
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General description
1H-Pyrazole-1-carboxamidine hydrochloride, a pyrazole derivative, is a heterocyclic compound. It is widely used in drug syntheses studies. Pyrazole ring forms the main core of various nonsteroidal anti-inflammatory drugs (NSAIDs) and antihypertensive drugs.
Application
1H-Pyrazole-1-carboxamidine hydrochloride may be used in the following studies:
- Preparation of guanidylated hollow fiber membranes.
- Guanylation of amines and in peptide synthesis.
- Synthesis of bis-guanidinium-cholesterol derivatives.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Sens. 1 - STOT RE 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Hironori Izawa et al.
Biomolecules, 9(7) (2019-07-10)
In order to synthesize a promising material for developing a novel peptide/protein delivery system, guanidinylation of chitooligosaccharides with 1-amidinopyrazole hydrochloride was investigated herein. The production of guanidinylated chitooligosaccharides was demonstrated by infrared spectroscopy (IR), nuclear magnetic resonance (NMR), and elemental
Guanidinium-cholesterol cationic lipids: efficient vectors for the transfection of eukaryotic cells.
J P Vigneron et al.
Proceedings of the National Academy of Sciences of the United States of America, 93(18), 9682-9686 (1996-09-03)
Two cationic lipids, bis-guanidinium-spermidine-cholesterol (BGSC) and bis-guanidinium-trencholesterol (BGTC)-cholesterol derivatives bearing two guanidinium groups-have been synthesized and tested as artificial vectors for gene transfer. They combine the membrane compatible features of the cholesterol subunit and the favorable structural and high pKa
1H-Pyrazole-1-carboxamidine hydrochloride an attractive reagent for guanylation of amines and its application to peptide synthesis.
Bernatowicz MS, et al.
The Journal of Organic Chemistry, 57(8), 2497-2502 (1992)
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A series of 34 new amine- and guanidine-functionalized derivatives of betulinic, ursolic, and oleanolic acids were synthesized and tested for their antimicrobial activity against the growth of four bacterial strains (Escherichia coli, Acinetobacter baumannii, Pseudomonas aeruginosa, and Staphylococcus aureus (MRSA))
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