API Process Intermediates & Related Compounds

3-Methoxycatechol

Name: 3-Methoxycatechol
Brand: Zemixal
SKU: ZX-035459

Available on request

Buy 3-Methoxycatechol (CAS 934-00-9) from Zemixal: C7H8O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-035459.

Pack sizes

CAS number934-00-9

FormulaC₇H₈O₃

Molar mass140.14 g/mol

Physical formSolid

InChIKeyLPYUENQFPVNPHY-UHFFFAOYSA-N

IUPAC name3-methoxybenzene-1,2-diol

About 3-Methoxycatechol

Zemixal supplies 3-Methoxycatechol within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 934-00-9, formula C7H8O3 and molar mass 140.14 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
Fine chemical synthesis

Safe handling

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Catechol

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

Catechol standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 3-Methoxycatechol
Product name	3-Methoxycatechol
Catalogue number	ZX-035459
CAS number	934-00-9
IUPAC name	3-methoxybenzene-1,2-diol
Molecular formula	C₇H₈O₃
Molar mass	140.14 g/mol
Exact mass	140.0473
Physical form	Solid
XLogP3	0.8
H-bond donors / acceptors	2 / 3
Topological polar surface area	49.7 Å²
InChIKey	LPYUENQFPVNPHY-UHFFFAOYSA-N
SMILES	COC1=CC=CC(=C1O)O
PubChem CID	13622
Synonyms	3-Methoxypyrocatechol, 2,3-Dihydroxyanisole, 1,2-Dihydroxy-3-methoxybenzene, 6-Methoxycatechol, Pyrogallol 1-methyl ether, 1,2-Benzenediol, 3-methoxy-, Pyrocatechol, 3-methoxy-, Pyrogallol 1-monomethyl ether, 1-O-Methylpyrogallol, 3-Methoxy-1,2-benzenediol, 3-Methoxy-o-hydroquinone, 3-methoxy-benzene-1,2-diol

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 3-Methoxycatechol
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 3-Methoxycatechol

Which CAS number identifies 3-Methoxycatechol?

3-Methoxycatechol is registered under CAS 934-00-9. You may also see it listed as 3-Methoxypyrocatechol, 2,3-Dihydroxyanisole, 1,2-Dihydroxy-3-methoxybenzene. Our catalogue number for this item is ZX-035459.

What are the formula and molar mass of 3-Methoxycatechol?

For 3-Methoxycatechol, its formula is C7H8O3 and its molar mass is 140.14 g/mol. The systematic (IUPAC) name is 3-methoxybenzene-1,2-diol. InChIKey LPYUENQFPVNPHY-UHFFFAOYSA-N lets you match it in any structure database.

How is 3-Methoxycatechol used in pharmaceutical QC?

3-Methoxycatechol is a characterised reference material linked to Catechol. 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 3-Methoxycatechol?

The grade and assay are confirmed on the quotation and the batch COA. 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 3-Methoxycatechol?

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 3-Methoxycatechol to my country?

Yes. Because 3-Methoxycatechol 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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