API Process Intermediates & Related Compounds

Orthocaine

Name: Orthocaine
Brand: Zemixal
SKU: ZX-039815

Available on request

Orthocaine (CAS 536-25-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg. Catalogue no. ZX-039815.

Pack sizes

CAS number536-25-4

FormulaC₈H₉NO₃

Molar mass167.16 g/mol

Physical formSolid

HS code2933

InChIKeyVNQABZCSYCTZMS-UHFFFAOYSA-N

IUPAC namemethyl 3-amino-4-hydroxybenzoate

About Orthocaine

Zemixal supplies Orthocaine within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 536-25-4, formula C8H9NO3 and molar mass 167.16 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Handling and storage

It carries the GHS signal word Warning (H302, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

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 Proxymetacaine

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

Proxymetacaine standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Orthocaine
Product name	Orthocaine
Catalogue number	ZX-039815
CAS number	536-25-4
IUPAC name	methyl 3-amino-4-hydroxybenzoate
Molecular formula	C₈H₉NO₃
Molar mass	167.16 g/mol
Exact mass	167.0582
Physical form	Solid
XLogP3	1
H-bond donors / acceptors	2 / 4
Topological polar surface area	72.6 Å²
HS code	2933
InChIKey	VNQABZCSYCTZMS-UHFFFAOYSA-N
SMILES	COC(=O)C1=CC(=C(C=C1)O)N
PubChem CID	10815
Synonyms	methyl 3-amino-4-hydroxy-benzoate, 3-Amino-4-hydroxybenzoic acid methyl ester, Methyl m-amino-p-hydroxybenzoate, Methyl 4-hydroxy-3-aminobenzoate, Methyl 3-amino-4-hydroxybenzenecarboxylate, Orthoform new, Methyl-3-amino-4-hydroxybenzoate, Mehyl3-amino-4-hydroxybenzoate, Mehyl 3-amino-4-hydroxybenzoate, 2-amino-4-methoxycarbonylphenol, m-Amino-p-oxybenzoesauremethylester, methyl 3-amino-4-hydroxybenzoate, AldrichCPR

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

H302Harmful if swallowed
H315Causes skin irritation
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, 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 Orthocaine
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 Orthocaine

Which CAS number identifies Orthocaine?

Orthocaine is registered under CAS 536-25-4. You may also see it listed as methyl 3-amino-4-hydroxy-benzoate, 3-Amino-4-hydroxybenzoic acid methyl ester, Methyl m-amino-p-hydroxybenzoate. Our catalogue number for this item is ZX-039815.

What are the formula and molar mass of Orthocaine?

For Orthocaine, its formula is C8H9NO3 and its molar mass is 167.16 g/mol. The systematic (IUPAC) name is methyl 3-amino-4-hydroxybenzoate. InChIKey VNQABZCSYCTZMS-UHFFFAOYSA-N lets you match it in any structure database.

How is Orthocaine used in pharmaceutical QC?

Orthocaine is a characterised reference material linked to Proxymetacaine. 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 Orthocaine?

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 Orthocaine?

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 Orthocaine to my country?

Yes. Because Orthocaine 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.

More Proxymetacaine standards

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