Thiamine Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Thiamine EP Impurity A Thiamine

Thiamine EP Impurity A

VL3280001 2380-61-2
Thiamine EP Impurity A (HCl Salt) Thiamine

Thiamine EP Impurity A (HCl Salt)

VE0019540 N/A
Thiamine EP Impurity A (Sulfate Salt) Thiamine

Thiamine EP Impurity A (Sulfate Salt)

VE0019310 2882-75-9
Thiamine EP Impurity B Thiamine

Thiamine EP Impurity B

VE008941 7771-57-5
Thiamine EP Impurity B (Bromide HBr) Thiamine

Thiamine EP Impurity B (Bromide HBr)

VE0019304 N/A
Thiamine EP Impurity B (HCl Salt) Thiamine

Thiamine EP Impurity B (HCl Salt)

VE0011501 49614-72-4
Thiamine EP Impurity C Thiamine

Thiamine EP Impurity C

VE008943 20166-17-0
Thiamine EP Impurity C Thiamine

Thiamine EP Impurity C

VE0015178 7275-24-3
Thiamine EP Impurity D Thiamine

Thiamine EP Impurity D

VE0018020 490-82-4
Thiamine EP Impurity E Thiamine

Thiamine EP Impurity E

VE0019318 299-35-4
Thiamine EP Impurity F Thiamine

Thiamine EP Impurity F

VE0019300 10593-44-9
Thiamine EP Impurity F (Bromide HBr) Thiamine

Thiamine EP Impurity F (Bromide HBr)

VE0019340 6309-04-2
Thiamine EP Impurity F Chloride (HCl Salt) Thiamine

Thiamine EP Impurity F Chloride (HCl Salt)

VE0019539 4102-72-1
Thiamine EP Impurity G Thiamine

Thiamine EP Impurity G

VE0017888 1037-29-2
Thiamine EP Impurity H Thiamine

Thiamine EP Impurity H

VE0019344 89285-03-0
Thiamine Impurity 1 Thiamine

Thiamine Impurity 1

VE0019301 N/A
Thiamine Impurity 11 Thiamine

Thiamine Impurity 11

VE0019308 1196-75-4
Thiamine Impurity 12 Thiamine

Thiamine Impurity 12

VE0016106 2410791-57-8
Thiamine Impurity 14 Thiamine

Thiamine Impurity 14

VE0019309 N/A
Thiamine Impurity 21 (DiHCl Salt) Thiamine

Thiamine Impurity 21 (DiHCl Salt)

VE0019311 N/A
Thiamine Impurity 22 (HCl Salt) Thiamine

Thiamine Impurity 22 (HCl Salt)

VE0019312 N/A
Thiamine Impurity 23 (Bromide HBr) Thiamine

Thiamine Impurity 23 (Bromide HBr)

VE0019316 859295-65-1
Thiamine Impurity 3 Thiamine

Thiamine Impurity 3

VE007660 1886-34-6
Thiamine Impurity 7 Thiamine

Thiamine Impurity 7

VE0019303 1153-39-5
Thiamine Impurity 8 Thiamine

Thiamine Impurity 8

VE0019305 756532-54-4
Thiamine Impurity 9 Thiamine

Thiamine Impurity 9

VE0019306 19030-80-9
Thiamine Nitrate Thiamine

Thiamine Nitrate

VE0010653 532-43-4
Thiamine Toxopyrimidine Thiamine

Thiamine Toxopyrimidine

VE007659 73-67-6
Thiamine-D4 (HCl Salt) Thiamine

Thiamine-D4 (HCl Salt)

DVE001376 N/A
2,3-Bis((4-amino-2-methylpyrimidin-5-yl)methoxy)propane-1-thiol Thiamine

2,3-Bis((4-amino-2-methylpyrimidin-5-yl)methoxy)propane-1-thiol

VE0010655 N/A
3-(((4-Amino-2-methylpyrimidin-5- yl)methyl)thio)propane-1,2-diol di hydrochloride Thiamine

3-(((4-Amino-2-methylpyrimidin-5- yl)methyl)thio)propane-1,2-diol di hydrochloride

VE0019692 N/A
3-(((4-amino-2-methylpyrimidin-5-yl)methyl)thio)-5-hydroxypentan-2-one Thiamine

3-(((4-amino-2-methylpyrimidin-5-yl)methyl)thio)-5-hydroxypentan-2-one

VE0010657 N/A
3-(((4-Amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol Thiamine

3-(((4-Amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol

VE0010654 2169341-54-0
3-(((4-amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol formate Thiamine

3-(((4-amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol formate

VE0011651 N/A
4-Amino-5-aminomethyl-2-methylpyrimidine Thiamine

4-Amino-5-aminomethyl-2-methylpyrimidine

VE006868 95-02-3
5-Hydroxy-3-sulfanylpentan-2-one Thiamine

5-Hydroxy-3-sulfanylpentan-2-one

VE0012606 15678-01-0