THIOTHIAMINE

Product Name: THIOTHIAMINE
CAS No.: 299-35-4
Chemical Name: THIOTHIAMINE
Synonyms: ThioxothiaMine;Solbone;sulbone;ThiothiaMin;Thiothlamine;THIOTHIAMINE;AURORA KA-6939;Thiamin-2-thione;ThiaMine IMpurity A;Thiamin EP Impurity E
CBNumber: CB1442625
Molecular Formula: C12H16N4OS2
Formula Weight: 296.41
MOL File: 299-35-4.mol

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THIOTHIAMINE Property

Melting point:: 238-239 °C
Boiling point:: 509.6±60.0 °C(Predicted)
Density: 1.42±0.1 g/cm3(Predicted)
storage temp.: Refrigerator
solubility: DMSO (Slightly), Methanol (Very Slightly, Heated)
form: Solid
pka: 14.72±0.10(Predicted)
color: Pale Beige to Light Brown
InChI: InChI=1S/C12H16N4OS2/c1-7-10(3-4-17)19-12(18)16(7)6-9-5-14-8(2)15-11(9)13/h5,17H,3-4,6H2,1-2H3,(H2,13,14,15)
InChIKey: SQOCQQPFEFRKBV-UHFFFAOYSA-N
SMILES: S1C(CCO)=C(C)N(CC2=CN=C(C)N=C2N)C1=S

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHR1996
Product name: Thiamine Impurity A
Purity: Pharmaceutical Secondary Standard; Certified Reference Material
Packaging: 20 mg
Price: $558.6
Updated: 2025/07/31

Sigma-Aldrich

Product number: PHR1759
Product name: Thiamine impurity E
Packaging: 20mg
Price: $361
Updated: 2025/07/31

TRC

Product number: T375250
Product name: Thiothiamine
Packaging: 10mg
Price: $180
Updated: 2021/12/16

Usbiological

Product number: 021794
Product name: Thiothiamine
Packaging: 10mg
Price: $460
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0290756
Product name: THIOTHIAMINE
Purity: 98.00%
Packaging: 10MG
Price: $750.75
Updated: 2021/12/16

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THIOTHIAMINE Chemical Properties,Usage,Production

Chemical Properties

Crystals. Melting point 239℃, its hydrochloride decomposes at 245℃.

Uses

Thiothiamine is an impurity of Thiamine (T344185). Thiothiamine inhibits the activity of glutamate decarboxylase and decreases the concentration of GABA in brain tissue. Thiamine Impurity A;

THIOTHIAMINE Preparation Products And Raw materials

Raw materials

LIMONIN(SH) Pyramat Ammonium chloride 3-Acetyl-1-propanol

Preparation Products

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THIOTHIAMINE Suppliers

Austria 1 Canada 1 China 96 France 1 Germany 2 India 3 United States 13 USA 1 Global 118

Shandong Jiuyue Biological Technology Co. LT

Tel: 18853316981
Email: 1214127295@qq.com
Country: China
ProdList: 132
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Chemsky (shanghai) International Co.,Ltd

Tel: 021-50135380
Email: shchemsky@sina.com
Country: China
ProdList: 15402
Advantage: 60

Sichuan Kulinan Technology Co., Ltd

Tel: 400-1166-196 18981987031
Fax: 028-84555506 800101999
Email: cdhxsj@163.com
Country: China
ProdList: 11705
Advantage: 57

9ding chemical ( Shanghai) Limited

Tel: 4009209199
Fax: 86-021-52271987
Email: sales@9dingchem.com
Country: China
ProdList: 22514
Advantage: 55

Shanghai Aladdin Bio-Chem Technology Co.,LTD

Tel: 400-6206333 13167063860
Fax: 021-50323701
Email: anhua.mao@aladdin-e.com
Country: China
ProdList: 25003
Advantage: 65

3B Scientific (Wuhan) Corporation Limited

Tel: 027-88063677 18971314022;
Fax: 027-88063656
Email: sales@3bsc.com
Country: China
ProdList: 294
Advantage: 58

ChemStrong Scientific Co.,Ltd

Tel: 0755-0755-66853366 13670046396
Fax: 0755-28363542
Email: sales@chem-strong.com
Country: China
ProdList: 18333
Advantage: 56

Finetech Industry Limited

Tel: 027-87465837 19945049750
Fax: 027-8777-2287
Email: sales@finetechnology-ind.com
Country: China
ProdList: 9637
Advantage: 58

Shandong Boluoda Biological Technology Co., Ltd.

Tel: 0531-68652053 15863796298;
Email: 2310993908@qq.com
Country: China
ProdList: 2437
Advantage: 58

299-35-4, THIOTHIAMINERelated Search:

Cyclohexanone,2-amino-2-(2-chlorophenyl)-6-hydroxy-,(2S,6S)- Thiamine Impurity 22 Thiamine Impurity 27 (R)-Norketamine Cyclohexanone,2-amino-2-(2-chlorophenyl)-6-hydroxy-,(2R-cis)-(9Cl) Thiamine hydrochloride FWNAAOBWGCASMX-UHFFFAOYSA-M 1-[2-(acetoxy)ethyl]-2-oxopropyl [(4-amino-2-methyl-5-pyrimidinyl)methyl]dithiocarbamate ThiaMine Acetate 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-one 4-AMino-5-(forMaMidoMethyl)-2-MethylpyriMidine Beclotiamine Hydrochloride Thiamine 3-[(4-AMino-2-Methyl-5-pyriMidinyl)Methyl]-4-Methyl-5-[2-(sulfooxy)ethyl]thiazoliuM Inner Salt Formamide, N-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-N-(4-hydroxy-2-mercapto-1-methyl-1-buten-1-yl)-, ion(1-) 2-Cyclohexen-1-one, 6-amino-6-(2-chlorophenyl)-, (6S)- Thiamine Impurity 28 THIOTHIAMINE

3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methyl-2(3H)-Thiazolethione

sulbone

3-(4-Amino-2-methyl-5-pyrimidinylmethyl)-5-(2-hydroxyethyl)-4-methyl-4-thiazoline-2-thione

3-[(2-Methyl-4-amino-5-pyrimidinyl)methyl]-5-(β-hydroxyethyl)-4-methyl-4-thiazoline-2-thione

Solbone

Thiothlamine

Thiamin-2-thione

Thiamin EP Impurity E

ThiaMin Thiothiazolone

ThiaMine IMpurity A

ThiothiaMin

ThioxothiaMine

THIOTHIAMINE

3-(4-amino-2-methylpyrimidin-5-ylmethyl)-5-(2-hydroxyethyl)-4-methylthiazole-2(3h)-thione

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione

AURORA KA-6939

Thiamine EP Impurity E

Thiamine Impurity 5（Thiamine EP Impurity E）

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione

2(3H)-Thiazolethione, 3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methyl-

Thiamine EP Impurity EQ: What is Thiamine EP Impurity E Q: What is the CAS Number of Thiamine EP Impurity E Q: What is the storage condition of Thiamine EP Impurity E Q: What are the applications of Thiamine EP Impurity E

Thiamine nitrate EP Impurity E

3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-2(3H)-thione (thioxothiamine)

Thiamine Hydrochloride EP Impurity E

Thiamine Hydrochloride Impurity E

Thiamine EP Impurity E (Thiothiamine)

3-(4-Amino-2-methylpyrimidin-5-ylmethyl)-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thion

C17561000 Thiothiamine

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione (Thioxoth

Conoidase tetrahydrate impurity 5

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione (Thioxothiamine)

Vitamin B1 Impurity E

Thiamine Impurity E(Thiothiamine)

299-35-4

C12H16N4OS2

Impurities

Aromatics

Heterocycles

Inhibitors

Intermediates & Fine Chemicals

Neurochemicals

Pharmaceuticals

Sulfur & Selenium Compounds