API Process Intermediates & Related Compounds

Hypoxanthine

Name: Hypoxanthine
Brand: Zemixal
SKU: ZX-012518

Reference StandardIn stock

Order Hypoxanthine (CAS 68-94-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-012518.

Pack sizes

CAS number68-94-0

FormulaC₅H₄N₄O

Molar mass136.11 g/mol

Physical formSolid

HS code2933

InChIKeyFDGQSTZJBFJUBT-UHFFFAOYSA-N

IUPAC name1,7-dihydropurin-6-one

About Hypoxanthine

Hypoxanthine is part of the Zemixal API Process Intermediates & Related Compounds range. Identity at a glance (Reference Standard): CAS 68-94-0, formula C5H4N4O and molar mass 136.11 g/mol. It is handled as a solid.

Common uses in the lab and plant

API route development
Impurity fate & purge studies
Analytical method development

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Didanosine

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

Didanosine standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Hypoxanthine
Product name	Hypoxanthine
Catalogue number	ZX-012518
CAS number	68-94-0
Other CAS numbers	45738-97-4, 66757-17-3
IUPAC name	1,7-dihydropurin-6-one
Molecular formula	C₅H₄N₄O
Molar mass	136.11 g/mol
Exact mass	136.0385
Grade	Reference Standard
Physical form	Solid
XLogP3	-0.5
H-bond donors / acceptors	2 / 3
Topological polar surface area	70.1 Å²
HS code	2933
InChIKey	FDGQSTZJBFJUBT-UHFFFAOYSA-N
SMILES	C1=NC2=C(N1)C(=O)NC=N2
PubChem CID	135398638
Synonyms	1,9-Dihydro-6H-purin-6-one, 3H-Purin-6-ol, 6-Hydroxy-1H-purine, 6-Hydroxypurine, 6-Oxopurine, Hypoxanthine enol, Purin-6-ol, Sarcine, Sarkin, Sarkine, 9H-Purin-6-ol, 7H-Purin-6-ol

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Hypoxanthine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 mg	Quoted on request
500 mg	Quoted on request
1 g	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 Hypoxanthine

Which CAS number identifies Hypoxanthine?

Hypoxanthine is registered under CAS 68-94-0. You may also see it listed as 1,9-Dihydro-6H-purin-6-one, 3H-Purin-6-ol, 6-Hydroxy-1H-purine. Our catalogue number for this item is ZX-012518.

What are the formula and molar mass of Hypoxanthine?

For Hypoxanthine, its formula is C5H4N4O and its molar mass is 136.11 g/mol. The systematic (IUPAC) name is 1,7-dihydropurin-6-one. InChIKey FDGQSTZJBFJUBT-UHFFFAOYSA-N lets you match it in any structure database.

How is Hypoxanthine used in pharmaceutical QC?

Hypoxanthine is a characterised reference material linked to Didanosine. 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 Hypoxanthine?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Hypoxanthine?

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 Hypoxanthine to my country?

Yes. Because Hypoxanthine 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.

Other grades with CAS 68-94-0

Hypoxanthine, 99%

CAS: 68-94-0
Formula: C₅H₄N₄O
MW: 136.11 g/mol

ZX-002112

Hypoxanthine, cell culture tested

CAS: 68-94-0
Formula: C₅H₄N₄O
MW: 136.11 g/mol

ZX-037893

Hypoxanthine, for spectroscopy ≥99.00%

CAS: 68-94-0
Formula: C₅H₄N₄O
MW: 136.11 g/mol

ZX-038344

More Didanosine standards

More in API Process Intermediates & Related Compounds

Hypoxanthine hydrochloride

CAS: 66757-17-3
Formula: C₅H₄N₄O.ClH
MW: 172.57 g/mol

ZX-012519

Hypoxanthine monosodium

CAS: 45738-97-4
Formula: C₅H₃N₄NaO
MW: 158.09 g/mol

ZX-012520

Didanosine EP Impurity D

CAS: 13146-72-0
Formula: C₁₀H₁₂N₄O₄
MW: 252.23 g/mol

ZX-024269

Didanosine EP Impurity E

CAS: 31766-13-9
Formula: C₁₀H₁₀N₄O₄
MW: 250.21 g/mol

ZX-024270

Didanosine EP Impurity G

CAS: 4097-22-7
Formula: C₁₀H₁₃N₅O₂
MW: 235.24 g/mol

ZX-028982

Didanosine EP Impurity C

CAS: 890-38-0
Formula: C₁₀H₁₂N₄O₄
MW: 252.23 g/mol

ZX-031411

Didanosine

CAS: 69655-05-6
Formula: C₁₀H₁₂N₄O₃
MW: 236.23 g/mol

ZX-032818

Hydroxynovaldiamine

CAS: 69559-11-1
Formula: C₉H₂₂N₂O
MW: 174.28 g/mol

ZX-012517

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