1H-Pyrazole-1-carboximidamide hydrochloride

About 1H-Pyrazole-1-carboximidamide hydrochloride

1H-Pyrazole-1-carboximidamide hydrochloride is an impurity of Zanamivir carrying the CAS registry number 4023-02-3. The compound has the formula C4H7ClN4, corresponding to a molecular weight of 146.58 g/mol. It is also known as 1H-Pyrazole-1-carboxamidine hydrochloride or 1-Amidinopyrazole hydrochloride.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

This Zanamivir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 1H-Pyrazole-1-carboximidamide hydrochloride in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Zanamivir

View every impurity, metabolite and intermediate we list for Zanamivir.

Zanamivir impurities

Specifications & identifiers

Chemical identifiers
Product name	1H-Pyrazole-1-carboximidamide hydrochloride
Catalogue No.	VQ-050579
CAS Number	4023-02-3
IUPAC name	pyrazole-1-carboximidamide;hydrochloride
Molecular formula	C₄H₇ClN₄
Molecular weight	146.58 g/mol
Exact mass	146.0359
Grade	Reference Standard
HSN code	38229090
InChIKey	RBZRMBCLZMEYEH-UHFFFAOYSA-N
SMILES	C1=CN(N=C1)C(=N)N.Cl
PubChem CID	2734672

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 2
TPSA	67.7 Å²
Synonyms	1H-Pyrazole-1-carboxamidine hydrochloride, 1-Amidinopyrazole hydrochloride, Pyrazole-1-carboxamidine monohydrochloride, Pyrazole-1-carboxamidine Hydrochloride, Pyrazole-1-carboximidamide Hydrochloride, Praxadine hydrochloride, 1H-Pyrazole-1-carboxamidine HCl, 1h-pyrazole-1-carboxamidine monohydrochloride, 1H-Pyrazole-1-carboximidamide, monohydrochloride, 1 -amidinopyrazole monohydrochloride, pyrazolecarboxamidine, chloride

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P319, P321, P330, P333 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1H-Pyrazole-1-carboximidamide hydrochloride?

The CAS Registry Number of 1H-Pyrazole-1-carboximidamide hydrochloride is 4023-02-3. It is also known as 1H-Pyrazole-1-carboxamidine hydrochloride, 1-Amidinopyrazole hydrochloride, Pyrazole-1-carboxamidine monohydrochloride.

What is the molecular formula and molecular weight of 1H-Pyrazole-1-carboximidamide hydrochloride?

1H-Pyrazole-1-carboximidamide hydrochloride has the molecular formula C4H7ClN4 and a molecular weight of 146.58 g/mol.

What is 1H-Pyrazole-1-carboximidamide hydrochloride used for?

1H-Pyrazole-1-carboximidamide hydrochloride is supplied as a characterised reference material related to Zanamivir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1H-Pyrazole-1-carboximidamide hydrochloride can I order?

We supply 1H-Pyrazole-1-carboximidamide hydrochloride in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1H-Pyrazole-1-carboximidamide hydrochloride?

Yes. Every lot of 1H-Pyrazole-1-carboximidamide hydrochloride is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1H-Pyrazole-1-carboximidamide hydrochloride be shipped internationally?

Yes. 1H-Pyrazole-1-carboximidamide hydrochloride is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.