L-Inosine

Name: L-Inosine
Brand: Vaqora Chemicals
SKU: VQ-039504

About L-Inosine

Vaqora Chemicals supplies L-Inosine, an API impurity reference standard registered under CAS number 21138-24-9. The compound has the formula C10H12N4O5, corresponding to a molecular weight of 268.23 g/mol. Its systematic (IUPAC) name is 9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one. Alternative names: 9-beta-L-Ribofuranosylhypoxanthine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	L-Inosine
Catalogue No.	VQ-039504
CAS Number	21138-24-9
IUPAC name	9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one
Molecular formula	C₁₀H₁₂N₄O₅
Molecular weight	268.23 g/mol
Exact mass	268.0808
Grade	Reference Standard
HSN code	38229090
InChIKey	UGQMRVRMYYASKQ-DEGSGYPDSA-N
SMILES	C1=NC2=C(C(=O)N1)N=CN2[C@@H]3[C@H]([C@H]([C@@H](O3)CO)O)O
PubChem CID	135522261

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	4 / 7
TPSA	129 Å²
Synonyms	9-((2S,3S,4R,5S)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one, 9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one, 6H-Purin-6-one, 1,9-dihydro-9-beta-L-ribofuranosyl-, 9-beta-L-Ribofuranosylhypoxanthine, 9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-1H-purin-6-one, Hypoxanthine, 9-beta-L-ribofuranosyl- (7CI, 8CI), 1,9-Dihydro-9-beta-L-ribofuranosyl-6H-purin-6-one, 6H-Purin-6-one, 1,9-dihydro-9-, A-L-ribofuranosyl-, (2S,3R,4S,5S)-2-(hydroxymethyl)-5-(6-hydroxypurin-9-yl)tetrahydrofuran-3,4-diol

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 L-Inosine?

The CAS Registry Number of L-Inosine is 21138-24-9. It is also known as 9-((2S,3S,4R,5S)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one, 9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one, 6H-Purin-6-one, 1,9-dihydro-9-beta-L-ribofuranosyl-.

What is the molecular formula and molecular weight of L-Inosine?

L-Inosine has the molecular formula C10H12N4O5 and a molecular weight of 268.23 g/mol. Its IUPAC name is 9-[(2S,3S,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one.

Which grade and pack sizes of L-Inosine can I order?

We supply L-Inosine 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 L-Inosine?

Yes. Every lot of L-Inosine 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 L-Inosine be shipped internationally?

Yes. We export L-Inosine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.