Allopurinol

Name: Allopurinol
Brand: Zemixal
SKU: ZX-004116

IP/BP/USPAvailable on request

Buy Allopurinol (CAS 315-30-0) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes

CAS number315-30-0

FormulaC₅H₄N₄O

Molar mass136.11 g/mol

Physical formPowder

HS code2933

InChIKeyOFCNXPDARWKPPY-UHFFFAOYSA-N

IUPAC name1,5-dihydropyrazolo[5,4-d]pyrimidin-4-one

About Allopurinol

Allopurinol is part of the Zemixal antidiabetic, Hormone & Metabolic APIs range. Key data (IP/BP/USP): CAS 315-30-0, formula C5H4N4O and molar mass 136.11 g/mol. It is handled as a powder.

Where it is used

Pharmaceutical formulation
Generic drug development

Handling and storage

Classified under GHS with signal word Danger and hazard statements H301 and H317. Read the SDS before first use.

Order it in 1 kg, 5 kg and 25 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Allopurinol

See every impurity, metabolite and related compound we list for this API.

Allopurinol standards

Typical uses

Pharmaceutical formulation
Generic drug development

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Allopurinol
Product name	Allopurinol
Catalogue number	ZX-004116
CAS number	315-30-0
IUPAC name	1,5-dihydropyrazolo[5,4-d]pyrimidin-4-one
Molecular formula	C₅H₄N₄O
Molar mass	136.11 g/mol
Exact mass	136.0385
Grade	IP/BP/USP
Physical form	Powder
XLogP3	-0.7
H-bond donors / acceptors	2 / 3
Topological polar surface area	70.1 Å²
HS code	2933
InChIKey	OFCNXPDARWKPPY-UHFFFAOYSA-N
SMILES	C1=NNC2=C1C(=O)NC=N2
PubChem CID	135401907
Synonyms	4-Hydroxypyrazolopyrimidine, 1H-Pyrazolopyrimidin-4-ol, HPP, 1H-Pyrazolo[3,4-d]pyrimidin-4-ol, Zyloric, Suspendol, Takanarumin, Urbol, Ketobun-A, Aluline, Dabrosin, Urobenyl

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Acute toxicity

Irritant or harmful

Signal word Danger

H301Toxic if swallowed
H317May cause an allergic skin reaction

Precautionary statements P261, P264, P270, P272, P280, P301 + P316, P302 + P352, P321, P330, P333 + P317, P362 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Allopurinol
1 kg	Quoted on request
5 kg	Quoted on request
25 kg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Allopurinol

Which CAS number identifies Allopurinol?

Allopurinol is registered under CAS 315-30-0. You may also see it listed as 4-Hydroxypyrazolopyrimidine, 1H-Pyrazolopyrimidin-4-ol, HPP. Our catalogue number for this item is ZX-004116.

What are the formula and molar mass of Allopurinol?

For Allopurinol, its formula is C5H4N4O and its molar mass is 136.11 g/mol. The systematic (IUPAC) name is 1,5-dihydropyrazolo[5,4-d]pyrimidin-4-one. InChIKey OFCNXPDARWKPPY-UHFFFAOYSA-N lets you match it in any structure database.

How is Allopurinol used in pharmaceutical QC?

Allopurinol is a characterised reference material linked to Allopurinol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Allopurinol?

This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.

Which documents come with Allopurinol?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Allopurinol to my country?

Yes. Because Allopurinol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Allopurinol standards

More in Antidiabetic, Hormone & Metabolic APIs

Allopurinol Impurity F (Freebase)

CAS: 302-01-2
Formula: H₄N₂
MW: 32.05 g/mol

ZX-004321

Allopurinol Impurity F (Hydrate)

CAS: 7803-57-8
Formula: H₆N₂O
MW: 50.06 g/mol

ZX-004322

Allopurinol Impurity F (Hydrochloride Salt)

CAS: 2644-70-4
Formula: ClH₅N₂
MW: 68.51 g/mol

ZX-004323

Allopurinol Impurity F (Sulfate Salt)

CAS: 10034-93-2
Formula: H₆N₂O₄S
MW: 130.13 g/mol

ZX-004324

Allopurinol EP Impurity A

CAS: 5334-31-6
Formula: C₄H₆N₄O
MW: 126.12 g/mol

ZX-020544

Allopurinol EP Impurity B

CAS: 22407-20-1
Formula: C₅H₆N₄O₂
MW: 154.13 g/mol

ZX-020545

Allopurinol EP Impurity C

CAS: 1346604-13-4
Formula: C₆H₆N₆O
MW: 178.15 g/mol

ZX-020546

Allopurinol EP Impurity D

CAS: 6994-25-8
Formula: C₆H₉N₃O₂
MW: 155.15 g/mol

ZX-020547

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