Description

Thiochrome CAS NO 92-35-3 is a heterocyclic organic compound belonging to the class of thiazolopyrimidines, recognized as a key derivative and oxidation product of thiamine (Vitamin B1). This compound is of significant analytical and research importance due to its strong native fluorescence. It is primarily utilized by quality control laboratories, pharmaceutical R&D departments, and analytical chemistry service providers for precise quantification and research applications.

Application

• Analytical Reference Standard for the fluorometric determination of Vitamin B1 (Thiamine) in pharmaceuticals, fortified foods, and biological samples.
• Pharmaceutical Research as a metabolite and degradation marker in thiamine stability studies and pharmacokinetic research.
• Food & Beverage Analysis for compliance testing and nutritional labeling of thiamine content in products like cereals, infant formula, and energy drinks.
• Clinical Diagnostics in laboratory methods to assess thiamine status in serum or whole blood.
• Chemical Synthesis as a specialized building block or intermediate for synthesizing novel thiazolopyrimidine derivatives.
• Method Development & Validation in analytical laboratories to establish and calibrate HPLC or LC-MS/MS methods.

Basic Information

Product Name	Thiochrome
CAS No.	92-35-3
Molecular Formula	C12H14N4OS
Molecular Weight	262.33 g/mol
Synonyms	Thiochrome; 7,8-Dimethylalloxazine; 7,8-Dimethyl-2,4-dioxo-1H-benzo[g]pteridine-10(4H)-thione; Vitamin B1 oxidation product; Thiamine oxidation product; Thiochrome (Vitamin B1 derivative); 7,8-Dimethyllumichrome
EINECS	202-147-6

Quality Control

Our Thiochrome is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for analytical and research applications. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC/UV)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Fluorescence Characteristics	Conforms (Specific excitation/emission)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.