6-O-Methylguanine

Name: 6-O-Methylguanine
Brand: Zemixal
SKU: ZX-026152

Reference StandardAvailable on request

6-O-Methylguanine (CAS 20535-83-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes

CAS number20535-83-5

FormulaC₆H₇N₅O

Molar mass165.15 g/mol

Physical formSolid

HS code38229090

InChIKeyBXJHWYVXLGLDMZ-UHFFFAOYSA-N

IUPAC name6-methoxy-7H-purin-2-amine

About 6-O-Methylguanine

Analytical teams working on Nelarabine use 6-O-Methylguanine as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 20535-83-5, formula C6H7N5O and molar mass 165.15 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H302, H312, H315 and H318. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Nelarabine

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

Nelarabine standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 6-O-Methylguanine
Product name	6-O-Methylguanine
Catalogue number	ZX-026152
CAS number	20535-83-5
IUPAC name	6-methoxy-7H-purin-2-amine
Molecular formula	C₆H₇N₅O
Molar mass	165.15 g/mol
Exact mass	165.0651
Grade	Reference Standard
Physical form	Solid
XLogP3	-0.2
H-bond donors / acceptors	2 / 5
Topological polar surface area	89.7 Å²
HS code	38229090
InChIKey	BXJHWYVXLGLDMZ-UHFFFAOYSA-N
SMILES	COC1=NC(=NC2=C1NC=N2)N
PubChem CID	65275
Synonyms	6-Methoxyguanine, O6-Methylguanine, O-(6)-Methylguanine, 1H-Purin-2-amine, 6-methoxy-, Purine, 2-amino-6-methoxy-, 6-Methoxy-1H-purine-2-amine, O(sup 6)-Methylguanine, O(6)-methylguanine, 6-methylguanine, Purine, 2-amino-6-methoxy-(8CI), 2-Amino-6-methoxypurine, 6-methoxy-9H-purin-2-amine

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

Safety and GHS hazards

Corrosive

Irritant or harmful

Health hazard

Signal word Danger

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P318, P319, P321, P330, 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 6-O-Methylguanine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	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 6-O-Methylguanine

Which CAS number identifies 6-O-Methylguanine?

6-O-Methylguanine is registered under CAS 20535-83-5. You may also see it listed as 6-Methoxyguanine, O6-Methylguanine, O-(6)-Methylguanine. Our catalogue number for this item is ZX-026152.

What are the formula and molar mass of 6-O-Methylguanine?

For 6-O-Methylguanine, its formula is C6H7N5O and its molar mass is 165.15 g/mol. The systematic (IUPAC) name is 6-methoxy-7H-purin-2-amine. InChIKey BXJHWYVXLGLDMZ-UHFFFAOYSA-N lets you match it in any structure database.

How is 6-O-Methylguanine used in pharmaceutical QC?

6-O-Methylguanine is a characterised reference material linked to Nelarabine. 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 6-O-Methylguanine?

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

Which documents come with 6-O-Methylguanine?

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 6-O-Methylguanine to my country?

Yes. Because 6-O-Methylguanine 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.

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