Molekula
1(H)-Pyrazole-1-carboxamidine hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1(H)-Pyrazole-1-carboxamidine hydrochloride is a heterocyclic organic compound used in medicinal chemistry and pharmaceutical research as an intermediate for synthesizing bioactive molecules. It is a white to off-white crystalline powder, stable at ambient temperatures. CAS: 4023-02-3, Molecular Formula: C4H6N4 · HCl, Molecular Weight: 146.58 g/mol. Store at room temperature away from moisture. Hazard classification includes signal word: Danger. Molekula supplies 1(H)-Pyrazole-1-carboxamidine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — $58.70 per pack
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100 g — $144.40 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 10315130 |
| CAS Number | 4023-02-3 |
| IUPAC Name | pyrazole-1-carboximidamide;hydrochloride |
| EC Number | 429-520-1 |
| Molecular Formula | C4H6N4 · HCl |
| Molecular Weight | 146.58 |
| Exact Mass | 146.0359 |
| SMILES | C1=CN(N=C1)C(=N)N.Cl |
| InChIKey | RBZRMBCLZMEYEH-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6N4.ClH/c5-4(6)8-3-1-2-7-8;/h1-3H,(H3,5,6);1H |
| PubChem CID | 2734672 |
| REACH Code | Y110 |
| HTS Code | 2933199000 |
| Tariff Code | 2933199090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H373 May cause damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1 -amidinopyrazole monohydrochloride
- 1-Amidinopyrazole hydrochloride
- 1H-Pyrazole-1-carboxamidine HCl
- 1h-pyrazole-1-carboxamidine monohydrochloride
- 1H-pyrazole-1-carboximidamide hydrochloride
- 1H-Pyrazole-1-carboximidamide, monohydrochloride
- Praxadine hydrochloride
- Pyrazole-1-carboxamidine Hydrochloride
- Pyrazole-1-carboxamidine monohydrochloride
- Pyrazole-1-carboximidamide Hydrochloride
Frequently asked questions
What is 1(H)-Pyrazole-1-carboxamidine hydrochloride used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the development of heterocyclic compounds with biological activity.
What is the chemical formula and molecular weight?
The formula is C4H6N4 · HCl with a molecular weight of 146.58 g/mol.
How should this compound be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in technical grade; custom purity levels may be requested upon inquiry.
Can Molekula supply this in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.