API Process Intermediates & Related Compounds

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid

Name: 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid
Brand: Zemixal
SKU: ZX-034373

Available on request

Order 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid (CAS 6471-78-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid chemical structure

CAS number6471-78-9

FormulaC₈H₁₁NO₄S

Molar mass217.24 g/mol

Physical formSolid

HS code2933

InChIKeyJBAVAJIXZVRJHT-UHFFFAOYSA-N

IUPAC name4-amino-5-methoxy-2-methylbenzenesulfonic acid

About 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid sits in our API Process Intermediates & Related Compounds section and ships worldwide from stock or short lead time. Identity at a glance: CAS 6471-78-9, formula C8H11NO4S and molar mass 217.24 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302+H312+H332, H315, H318 and H319. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Fludarabine

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

Fludarabine 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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid
Product name	4-Amino-5-methoxy-2-methylbenzenesulfonic Acid
Catalogue number	ZX-034373
CAS number	6471-78-9
IUPAC name	4-amino-5-methoxy-2-methylbenzenesulfonic acid
Molecular formula	C₈H₁₁NO₄S
Molar mass	217.24 g/mol
Exact mass	217.0409
Physical form	Solid
XLogP3	0.3
H-bond donors / acceptors	2 / 5
Topological polar surface area	98 Å²
HS code	2933
InChIKey	JBAVAJIXZVRJHT-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1S(=O)(=O)O)OC)N
PubChem CID	80961
Synonyms	Benzenesulfonic acid, 4-amino-5-methoxy-2-methyl-, 4-Amino-5-methoxy-2-toluenesulfonic acid, Cresidine-p-sulfonic Acid, 2-Methoxy-5-methyl-4-sulfoaniline, 5-Methoxy-2-methylsulphanilic acid, o-Toluenesulfonic acid, 4-amino-5-methoxy-, 4-Amino-5-methoxy-o-toluenesulfonic Acid, 4-Amino-5-methoxy-2-methylbenzensulfonic acid, p-Cresidine-4-sulfonic acid, 3-Amino-4-methoxy-toluene-6-sulfonic acid, p-Cresidine-4-sulfo, 3-Amino-4-methoxytoluene-6-sulfonic acid

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

Signal word Danger

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, 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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid
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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid

Which CAS number identifies 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid?

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid is registered under CAS 6471-78-9. You may also see it listed as Benzenesulfonic acid, 4-amino-5-methoxy-2-methyl-, 4-Amino-5-methoxy-2-toluenesulfonic acid, Cresidine-p-sulfonic Acid. Our catalogue number for this item is ZX-034373.

What are the formula and molar mass of 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid?

For 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid, its formula is C8H11NO4S and its molar mass is 217.24 g/mol. The systematic (IUPAC) name is 4-amino-5-methoxy-2-methylbenzenesulfonic acid. InChIKey JBAVAJIXZVRJHT-UHFFFAOYSA-N lets you match it in any structure database.

How is 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid used in pharmaceutical QC?

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid is a characterised reference material linked to Fludarabine. 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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid?

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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid?

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 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid to my country?

Yes. Because 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid 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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