Hypoxanthine

Name: Hypoxanthine
Brand: Vaqora Chemicals
SKU: VQ-013460

About Hypoxanthine

Listed under CAS 68-94-0, Hypoxanthine is a process intermediate or related compound of Didanosine available from Vaqora Chemicals. Formula C5H4N4O, molecular weight 136.11 g/mol. The IUPAC name is 1,7-dihydropurin-6-one. Common synonyms include 1,9-Dihydro-6H-purin-6-one and 3H-Purin-6-ol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Process chemists and analysts use it when developing synthetic routes to Didanosine, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Didanosine

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

Didanosine impurities

Specifications & identifiers

Chemical identifiers
Product name	Hypoxanthine
Catalogue No.	VQ-013460
CAS Number	68-94-0
Other CAS	45738-97-4, 66757-17-3
IUPAC name	1,7-dihydropurin-6-one
Molecular formula	C₅H₄N₄O
Molecular weight	136.11 g/mol
Exact mass	136.0385
Grade	Reference Standard
HSN code	2933
InChIKey	FDGQSTZJBFJUBT-UHFFFAOYSA-N
SMILES	C1=NC2=C(N1)C(=O)NC=N2
PubChem CID	135398638

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	2 / 3
TPSA	70.1 Å²
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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 68-94-0

Biochemistry

Hypoxanthine, 99%

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

VQ-002112

Cell Culture

Hypoxanthine, cell culture tested

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

VQ-046414

Spectroscopy

Hypoxanthine, for spectroscopy ≥99.00%

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

VQ-046865

Frequently asked questions

What is the CAS number of Hypoxanthine?

The CAS Registry Number of Hypoxanthine is 68-94-0. It is also known as 1,9-Dihydro-6H-purin-6-one, 3H-Purin-6-ol, 6-Hydroxy-1H-purine.

What is the molecular formula and molecular weight of Hypoxanthine?

Hypoxanthine has the molecular formula C5H4N4O and a molecular weight of 136.11 g/mol. Its IUPAC name is 1,7-dihydropurin-6-one.

What is Hypoxanthine used for?

Hypoxanthine is supplied as a characterised reference material related to Didanosine. 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 Hypoxanthine can I order?

We supply Hypoxanthine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hypoxanthine?

Yes. Every lot of Hypoxanthine 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 Hypoxanthine be shipped internationally?

Yes. Hypoxanthine 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.