Thiothiamine

Modify Date: 2026-07-21 12:36:59

Thiothiamine Structure
Thiothiamine structure
Common Name Thiothiamine
CAS Number 299-35-4 Molecular Weight 296.41200
Density 1.42g/cm3 Boiling Point 509.6ºC at 760mmHg
Molecular Formula C12H16N4OS2 Melting Point N/A
MSDS N/A Flash Point 262ºC

Summary: Thiothiamine (Chinese name: 硫代硫胺素), molecular formula C12H16N4OS2, molecular weight 296.41200, CAS number 299-35-4. It should be stored at 2-8°C, away from light, under an inert gas. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Thiothiamine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.42g/cm3
Boiling Point 509.6ºC at 760mmHg
Molecular Formula C12H16N4OS2
Molecular Weight 296.41200
Flash Point 262ºC
Exact Mass 296.07700
PSA 137.29000
LogP 2.43240
Vapour Pressure 3.28E-11mmHg at 25°C
Index of Refraction 1.709
InChIKey SQOCQQPFEFRKBV-UHFFFAOYSA-N
SMILES Cc1ncc(Cn2c(C)c(CCO)sc2=S)c(N)n1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione
3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazole-2-thione
Thiamine impurity E

 Thiothiamine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of Thiothiamine?
A: Related downstream products(CAS) of Thiothiamine: 490-82-4;532-43-4;59-43-8;70-16-6.
Q: What is the molecular weight of Thiothiamine?
A: Molecular weight of Thiothiamine is 296.41200.
Q: What is the CAS number of Thiothiamine?
A: CAS number of Thiothiamine is 299-35-4.
Q: What is the InChIKey of Thiothiamine?
A: InChIKey of Thiothiamine is SQOCQQPFEFRKBV-UHFFFAOYSA-N.
Q: What is the LogP of Thiothiamine?
A: LogP of Thiothiamine is 2.43240.
Q: What is the SMILES notation of Thiothiamine?
A: SMILES notation of Thiothiamine is Cc1ncc(Cn2c(C)c(CCO)sc2=S)c(N)n1.
Q: What is the molecular formula of Thiothiamine?
A: Molecular formula of Thiothiamine is C12H16N4OS2.
Q: What English synonyms does Thiothiamine have?
A: English synonyms of Thiothiamine: 3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione, 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazole-2-thione, Thiamine impurity E.
Q: What is the English name of Thiothiamine?
A: The English name of Thiothiamine is Thiothiamine.
Q: What are the upstream materials of Thiothiamine?
A: Related upstream materials(CAS) of Thiothiamine: 95-02-3;67-03-8;100502-51-0;70-16-6;108669-31-4;13051-49-5.

 Thiothiaminefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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