Allopurinol Nitrile Impurity

Name: Allopurinol Nitrile Impurity
Brand: Vaqora Chemicals
SKU: VQ-023355

About Allopurinol Nitrile Impurity

Listed under CAS 16617-46-2, Allopurinol Nitrile Impurity is an impurity of Allopurinol available from Vaqora Chemicals. With the molecular formula C4H4N4, it has a molar mass of 108.1 g/mol. Its systematic (IUPAC) name is 5-amino-1H-pyrazole-4-carbonitrile. Common synonyms include 3-Aminopyrazole-4-Carbonitrile and 3-Amino-4-cyanopyrazole.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Allopurinol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Allopurinol Nitrile Impurity is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Allopurinol

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

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Allopurinol Nitrile Impurity
Catalogue No.	VQ-023355
CAS Number	16617-46-2
IUPAC name	5-amino-1H-pyrazole-4-carbonitrile
Molecular formula	C₄H₄N₄
Molecular weight	108.1 g/mol
Exact mass	108.0436
Grade	Reference Standard
HSN code	38229090
InChIKey	FFNKBQRKZRMYCL-UHFFFAOYSA-N
SMILES	C1=NNC(=C1C#N)N
PubChem CID	85515

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	2 / 3
TPSA	78.5 Å²
Synonyms	3-Aminopyrazole-4-Carbonitrile, 3-Amino-4-cyanopyrazole, 3-Amino-4-pyrazolecarbonitrile, 5-Amino-4-cyanopyrazole, 3-Amino-1H-pyrazole-4-carbonitrile, 1H-Pyrazole-4-carbonitrile, 3-amino-, 5-Aminopyrazole-4-carbonitrile, 3-amino-4-cyano-1h-pyrazole, 4-cyano-5-aminopyrazole, Pyrazole-4-carbonitrile, 3-amino-, 5-Amino-4-pyrazolecarbonitrile, 3-Aminopyrazole-4-nitrile

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301+H311+H331Toxic if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P262, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P403 + P233, P405, 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

Other grades of CAS 16617-46-2

LR

3-Amino-4-cyanopyrazole, LR

CAS: 16617-46-2
Formula: C₄H₄N₄
MW: 108.1 g/mol

VQ-020575

Frequently asked questions

What is the CAS number of Allopurinol Nitrile Impurity?

The CAS Registry Number of Allopurinol Nitrile Impurity is 16617-46-2. It is also known as 3-Aminopyrazole-4-Carbonitrile, 3-Amino-4-cyanopyrazole, 3-Amino-4-pyrazolecarbonitrile.

What is the molecular formula and molecular weight of Allopurinol Nitrile Impurity?

Allopurinol Nitrile Impurity has the molecular formula C4H4N4 and a molecular weight of 108.1 g/mol. Its IUPAC name is 5-amino-1H-pyrazole-4-carbonitrile.

What is Allopurinol Nitrile Impurity used for?

Allopurinol Nitrile Impurity is supplied as a characterised reference material related to Allopurinol. 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 Allopurinol Nitrile Impurity can I order?

We supply Allopurinol Nitrile Impurity 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 Allopurinol Nitrile Impurity?

Yes. Every lot of Allopurinol Nitrile Impurity 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 Allopurinol Nitrile Impurity be shipped internationally?

Yes. Allopurinol Nitrile Impurity 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.