Thiochrome

Name: Thiochrome
Brand: Zemixal
SKU: ZX-031052

Reference StandardAvailable on request

Buy Thiochrome (CAS 92-35-3) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg. Part of our API Impurities range.

Pack sizes

CAS number92-35-3

FormulaC₁₂H₁₄N₄OS

Molar mass262.33 g/mol

Physical formSolid

HS code38229090

InChIKeyGTQXMAIXVFLYKF-UHFFFAOYSA-N

IUPAC name2-(6,12-dimethyl-4-thia-2,7,11,13-tetrazatricyclo[7.4.0.03,7]trideca-1(13),2,5,9,11-pentaen-5-yl)ethanol

About Thiochrome

Analytical teams working on Thiamine use Thiochrome as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 92-35-3, formula C12H14N4OS and molar mass 262.33 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 Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Thiamine

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

Thiamine 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 Thiochrome
Product name	Thiochrome
Catalogue number	ZX-031052
CAS number	92-35-3
IUPAC name	2-(6,12-dimethyl-4-thia-2,7,11,13-tetrazatricyclo[7.4.0.03,7]trideca-1(13),2,5,9,11-pentaen-5-yl)ethanol
Molecular formula	C₁₂H₁₄N₄OS
Molar mass	262.33 g/mol
Exact mass	262.0888
Grade	Reference Standard
Physical form	Solid
XLogP3	0.6
H-bond donors / acceptors	1 / 5
Topological polar surface area	86.9 Å²
HS code	38229090
InChIKey	GTQXMAIXVFLYKF-UHFFFAOYSA-N
SMILES	CC1=C(SC2=NC3=NC(=NC=C3CN12)C)CCO
PubChem CID	66706
Synonyms	5H-Pyrimido(4,5-d)thiazolo(3,2-a)pyrimidine-8-ethanol, 2,7-dimethyl-, 5H-Pyrimido[4,5-d]thiazolo[3,2-a]pyrimidine-8-ethanol, 2,7-dimethyl-, Thiachromine-8-ethanol, 2,7-dimethyl-, 5H-Thiachromine-8-ethanol, 2,7-dimethyl-, 2-(2,7-Dimethyl-5H-thiazolo(3',2':1,2)pyrimido(4,5-d)pyrimidin-8-yl)ethanol, 2,7-dimethylthiochromine-8-ethanol, 2,7-Dimethylthiachromine-8-ethanol, 2-(2,7-Dimethyl-5H-pyrimido[4,5-d]thiazolo[3,2-a]pyrimidin-8-yl)ethan-1-ol, 2,7-Dimethyl-5H-thiachromine-8-ethanol, Thiachromine-8-ethanol,7-dimethyl-, 5H-Thiachromine-8-ethanol,7-dimethyl-, 2-(2,7-Dimethyl-5H-pyrimido[4,5-d][1,3]thiazolo[3,2-a]pyrimidin-8-yl)ethan-1-ol

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 Thiochrome
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 Thiochrome

Which CAS number identifies Thiochrome?

Thiochrome is registered under CAS 92-35-3. You may also see it listed as 5H-Pyrimido(4,5-d)thiazolo(3,2-a)pyrimidine-8-ethanol, 2,7-dimethyl-, 5H-Pyrimido[4,5-d]thiazolo[3,2-a]pyrimidine-8-ethanol, 2,7-dimethyl-, Thiachromine-8-ethanol, 2,7-dimethyl-. Our catalogue number for this item is ZX-031052.

What are the formula and molar mass of Thiochrome?

For Thiochrome, its formula is C12H14N4OS and its molar mass is 262.33 g/mol. The systematic (IUPAC) name is 2-(6,12-dimethyl-4-thia-2,7,11,13-tetrazatricyclo[7.4.0.03,7]trideca-1(13),2,5,9,11-pentaen-5-yl)ethanol. InChIKey GTQXMAIXVFLYKF-UHFFFAOYSA-N lets you match it in any structure database.

How is Thiochrome used in pharmaceutical QC?

Thiochrome is a characterised reference material linked to Thiamine. 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 Thiochrome?

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 Thiochrome?

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 Thiochrome to my country?

Yes. Because Thiochrome 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 Thiamine standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list