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1H-Pyrazole-1-carboxamidine hydrochloride, 99%, Thermo Scientific Chemicals
Description
1H-Pyrazole-1-carboxamidine hydrochloride may be used in the following studies:
- Preparation of guanidylated hollow fiber membranes.
- SGuanylation of amines and in peptide synthesis.
- Synthesis of bis-guanidinium-cholesterol derivatives.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
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.
Solubility
Soluble in water.
Notes
Incompatible with strong oxidizing agents. Store under room temperature.

Specifications
Specifications
Melting Point | 167°C to 170°C |
Molecular Formula | C4H6N4 |
Quantity | 50 g |
Synonym | 1h-pyrazole-1-carboxamidine hydrochloride, 1h-pyrazole-1-carboximidamide hydrochloride, 1-amidinopyrazole hydrochloride, praxadine, pyrazole-1-carboxamidine hydrochloride, pyrazole-1-carboximidamide hydrochloride, pyrazole-1-carboxamidine hcl, 1h-pyrazole-1-carboxamidinehydrochloride, praxadine hydrochloride, 1h-pyrazole-1-carboxamidine hcl |
Solubility Information | Soluble in water. |
InChI Key | UCQFSGCWHRTMGG-UHFFFAOYSA-N |
SMILES | C1=CN(N=C1)C(=N)N.Cl |
Molecular Weight (g/mol) | 110.12 |
PubChem CID | 2734672 |
Formula Weight | 146.58 |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
Y07K046 | Certificate of Analysis | 14/11/2024 | H60631.09,H60631.18 |
X31I065 | Certificate of Analysis | 11/11/2022 | H60631.09,H60631.18 |
Y15H088 | Certificate of Analysis | 12/04/2022 | H60631.09,H60631.18 |
81401449 | Certificate of Analysis | 23/11/2021 | H60631.09,H60631.18 |
Z28G031 | Certificate of Analysis | 23/11/2021 | H60631.09,H60631.18 |
Safety and Handling



- 1H-Pyrazole-1-carboxamidine hydrochloride
- Danger
- Acute toxicity Category 4
- LONG-TERM AQUATIC HAZARD Chronic 3
- Serious eye damage/eye irritation Category 1
- Skin sensitiser Category 1
- Specific target organ toxicity after repeated exposure Category 2
- H302-Harmful if swallowed.
- H317-May cause an allergic skin reaction.
- H318-Causes serious eye damage.
- H373-May cause damage to organs.
- H412-Harmful to aquatic life with long lasting effects.
- P260-Do not breathe dust/fume/gas/mist/vapours/spray.
- P273-Avoid release to the environment.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : Pyrazole-1-carboxamidine monohydrochloride
RUO – Research Use Only
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