5,6-Dihydroxyindole

Name: 5,6-Dihydroxyindole
Brand: Zemixal
SKU: ZX-034088

Reference StandardAvailable on request

5,6-Dihydroxyindole (CAS 3131-52-0) supplier Zemixal: C8H7NO2, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes

CAS number3131-52-0

FormulaC₈H₇NO₂

Molar mass149.15 g/mol

Physical formSolid

HS code38229090

InChIKeySGNZYJXNUURYCH-UHFFFAOYSA-N

IUPAC name1H-indole-5,6-diol

About 5,6-Dihydroxyindole

Zemixal lists 5,6-Dihydroxyindole for laboratories that identify, quantify or control Phenothiazine and its related substances. For your records (Reference Standard), the material is defined by CAS 3131-52-0, formula C8H7NO2 and molar mass 149.15 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302, H318 and H411. 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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Phenothiazine

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

Phenothiazine 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 5,6-Dihydroxyindole
Product name	5,6-Dihydroxyindole
Catalogue number	ZX-034088
CAS number	3131-52-0
IUPAC name	1H-indole-5,6-diol
Molecular formula	C₈H₇NO₂
Molar mass	149.15 g/mol
Exact mass	149.0477
Grade	Reference Standard
Physical form	Solid
XLogP3	1.3
H-bond donors / acceptors	3 / 2
Topological polar surface area	56.3 Å²
HS code	38229090
InChIKey	SGNZYJXNUURYCH-UHFFFAOYSA-N
SMILES	C1=CNC2=CC(=C(C=C21)O)O
PubChem CID	114683
Synonyms	Dopamine lutine, 5,6-Dihydroxy-1H-indole, indole-5,6-diol

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

Hazardous to the environment

Signal word Danger

H302Harmful if swallowed
H318Causes serious eye damage
H411Toxic to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P354 + P338, P317, P330, P391, 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 5,6-Dihydroxyindole
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 5,6-Dihydroxyindole

Which CAS number identifies 5,6-Dihydroxyindole?

5,6-Dihydroxyindole is registered under CAS 3131-52-0. You may also see it listed as Dopamine lutine, 5,6-Dihydroxy-1H-indole, indole-5,6-diol. Our catalogue number for this item is ZX-034088.

What are the formula and molar mass of 5,6-Dihydroxyindole?

For 5,6-Dihydroxyindole, its formula is C8H7NO2 and its molar mass is 149.15 g/mol. The systematic (IUPAC) name is 1H-indole-5,6-diol. InChIKey SGNZYJXNUURYCH-UHFFFAOYSA-N lets you match it in any structure database.

How is 5,6-Dihydroxyindole used in pharmaceutical QC?

5,6-Dihydroxyindole is a characterised reference material linked to Phenothiazine. 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 5,6-Dihydroxyindole?

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 5,6-Dihydroxyindole?

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 5,6-Dihydroxyindole to my country?

Yes. Because 5,6-Dihydroxyindole 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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