Impurity Reference Standard - Products

Thiamine Chloride Hydrochloride

CAT No: CL-THM-01 CAS No: 67-03-8 Mol Wt: 265.4 : 35.5 : 36.5 Mol F: C12H17N4OS : Cl : HCl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride hydrochloride

Thiamine EP Impurity A

CAT No: CL-THM-02 CAS No: 2380-61-2 Mol Wt: 344.4 Mol F: C12H16N4O4S2 Inv Status: Custom Synthesis

Chemical Name: 2-[3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethyl sulfate

Thiamine EP Impurity B

CAT No: CL-THM-03 CAS No: NA Mol Wt: 251.3 : 80.9 : 79.9 Mol F: C11H15N4OS : HBr : Br Inv Status: Custom Synthesis

Chemical Name: 3-[(4-Aminopyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium bromide hydrobromide

Thiamine EP Impurity C

CAT No: CL-THM-04 CAS No: 7275-24-3 Mol Wt: 283.8 : 36.5 : 35.5 Mol F: C12H16ClN4S : HCl : Cl Inv Status: Custom Synthesis

Chemical Name: 3-((4-amino-2-methylpyrimidin-5-yl)methyl)-5-(2-chloroethyl)-4-methylthiazol-3-ium chloride hydrochloride

Thiamine EP Impurity D

CAT No: CL-THM-05 CAS No: 490-82-4 Mol Wt: 280.3 Mol F: C12H16N4O2S Inv Status: Custom Synthesis

Chemical Name: 3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-2(3H)-one

Thiamine EP Impurity E

CAT No: CL-THM-06 CAS No: 299-35-4 Mol Wt: 296.4 Mol F: C12H16N4OS2 Inv Status: Custom Synthesis

Chemical Name: 3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-2(3H)-thione

Thiamine EP Impurity F

CAT No: CL-THM-07 CAS No: [6309-02-4] Mol Wt: 279.4 : 79.9 : 80.9 Mol F: C13H19N4OS : Br : HBr Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-ethylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium bromide hydrobromide

Thiamine EP Impurity G

CAT No: CL-THM-08 CAS No: 1037-29-2 Mol Wt: 307.4 : 36.5 : 35.5 Mol F: C14H19N4O2S : HCl : Cl Inv Status: Custom Synthesis

Chemical Name: 5-(2-Acetoxyethyl)-3-((4-amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium chloride hydrochloride

Thiamine EP Impurity H

CAT No: CL-THM-09 CAS No: 89285-03-0 Mol Wt: 356.5 Mol F: C14H20N4O3S2 Inv Status: Custom Synthesis

Chemical Name: (3RS)-3-[[[(4-Amino-2-methylpyrimidin-5-yl)methyl]thiocarbamoyl]sulfanyl]-4-oxopentyl acetate

4-Hydroxy Thiamine Chloride Hydrochloride

CAT No: CL-THM-12 CAS No: 614-05-1 Mol Wt: 266.3 : 35.5 : 36.5 Mol F: C12H16N3O2S : Cl : HCl Inv Status: Custom Synthesis

Chemical Name: 5-(2-Hydroxyethyl)-4-methyl-3-((2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)methyl)thiazol-3-ium chloride hydrochloride

Thiamine Phosphate

CAT No: CL-THM-13 CAS No: 532-40-1 Mol Wt: 380.8 : 35.5 : 2(18.0) Mol F: C12H18ClN4O4PS : Cl : 2(H2O) Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methyl-5-(2-(phosphonooxy)ethyl)thiazol-3-ium chloride dihydrate

Thiamine Impurity 1

CAT No: CL-THM-14 CAS No: 7403-34-1 Mol Wt: 180.2 Mol F: C7H8N4S Inv Status: Custom Synthesis

Chemical Name: 7-Methyl-4,6-dihydropyrimido[4,5-d]pyrimidine-2(3H)-thione

Thiamine EP Impurity B (Bromide)

CAT No: CL-THM-15 CAS No: NA Mol Wt: 251.3 : 79.9 Mol F: C11H15N4OS : Br Inv Status: Custom Synthesis

Chemical Name: 3-[(4-aminopyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium bromide

Thiamine Monophosphate Chloride Dihydrate

CAT No: CL-THM-16 CAS No: 273724-21-3 Mol Wt: 380.8 : 35.5 : 2(18.0) Mol F: C12H18ClN4O4PS : Cl : 2(H2O) Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methyl-5-(2-(phosphonooxy)ethyl)thiazol-3-ium chloride dihydrate

Thiamine carbinol

CAT No: CL-THM-17 CAS No: 82326-17-8 Mol Wt: 282.4 Mol F: C12H18N4O2S Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methyl-2,3-dihydrothiazol-2-ol

Thiamine Impurity 2

CAT No: CL-THM-18 CAS No: 769-82-4 Mol Wt: 153.2 Mol F: C7H11N3O Inv Status: Custom Synthesis

Chemical Name: 5-(Methoxymethyl)-2-methylpyrimidin-4-amine

Thiamine Impurity 3

CAT No: CL-THM-19 CAS No: NA Mol Wt: 350.4 Mol F: C15H22N6O2S Inv Status: Custom Synthesis

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

Thiamine Impurity 4

CAT No: CL-THM-20 CAS No: NA Mol Wt: 228.3 Mol F: C10H16N2O2S Inv Status: Custom Synthesis

Chemical Name: 1-((4-Amino-6-methylpyridin-3-yl)methoxy)-3-mercaptopropan-2-ol

Thiamine Impurity 5

CAT No: CL-THM-21 CAS No: 2169341-54-0 Mol Wt: 229.3 Mol F: C9H15N3O2S Inv Status: Custom Synthesis

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

Thiamine EP Impurity B (chloride Hydrochloride)

CAT No: CL-THM-22 CAS No: 49614-72-4 Mol Wt: 251.3 : 35.5 : 36.5 Mol F: C11H15N4OS : Cl : HCl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Aminopyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride hydrochloride

Thiamine Impurity 11

CAT No: CL-THM-23 CAS No: 189745-28-6 Mol Wt: 157.6 Mol F: C6H8ClN3 Inv Status: Custom Synthesis

Chemical Name: 5-(Chloromethyl)-2-methylpyrimidin-4-amine

Thiamine

CAT No: CL-THM-24 CAS No: 70-16-6 Mol Wt: 265.4 Mol F: C12H17N4OS Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium

Dibenzoyl Thiamine

CAT No: CL-THM-25 CAS No: 299-88-7 Mol Wt: 490.6 Mol F: C26H26N4O4S Inv Status: Custom Synthesis

Chemical Name: (Z)-4-(N-((4-Amino-2-methylpyrimidin-5-yl)methyl)formamido)-3-(benzoylthio)pent-3-en-1-yl benzoate

Thiamine Impurity 12

CAT No: CL-THM-26 CAS No: 2410791-57-8 Mol Wt: 255.3 Mol F: C11H17N3O2S Inv Status: Custom Synthesis

Chemical Name: 3-(((4-Amino-2-methylpyrimidin-5-yl)methyl)thio)-5-hydroxypentan-2-one

Thiamine Pyrophosphate

CAT No: CL-THM-27 CAS No: 154-87-0 Mol Wt: 425.3 : 35.5 Mol F: C12H19N4O7P2S : Cl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-((hydroxy(phosphonooxy)phosphoryl)oxy)ethyl)-4-methylthiazol-3-ium chloride

Thiamine Triphosphate

CAT No: CL-THM-28 CAS No: 3475-65-8 Mol Wt: 504.3 Mol F: C12H19N4O10P3S Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-((((hydroxy(phosphonooxy)phosphoryl)oxy)oxidophosphoryl)oxy)ethyl)-4-methylthiazol-3-ium

Thiamine Impurity 13

CAT No: CL-THM-29 CAS No: NA Mol Wt: 229.3 Mol F: C9H15N3O2S Inv Status: Custom Synthesis

Chemical Name: 1-((4-Amino-2-methylpyrimidin-5-yl)methoxy)-3-mercaptopropan-2-ol

Thiamine Nitrate

CAT No: CL-THM-30 CAS No: 532-43-4 Mol Wt: 265.4 : 62.0 Mol F: C12H17N4OS : NO3 Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium nitrate

Thiamine Impurity 14

CAT No: CL-THM-31 CAS No: NA Mol Wt: 348.9 Mol F: C13H17ClN2O3S2 Inv Status: Custom Synthesis

Chemical Name: 1-Chloro-3-((4-methyl-2-(2-(4-methylthiazol-5-yl)ethoxy)thiazol-5-yl)oxy)propan-2-ol

Thiamine Impurity 15

CAT No: CL-THM-32 CAS No: 24941-82-0 Mol Wt: 279.3 : 35.5 Mol F: C12H15N4O2S : Cl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(carboxymethyl)-4-methylthiazol-3-ium chloride

Thiamine Impurity 16

CAT No: CL-THM-33 CAS No: 745719-69-1 Mol Wt: 585.3 Mol F: C12H21N4O13P4S Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-((hydroxy((hydroxy((hydroxy(phosphonooxy)phosphoryl)oxy)phosphoryl)oxy)phosphoryl)oxy)ethyl)-4-methylthiazol-3-ium

4-amino-5-aminomethyl-2-mehtyl pyrimidine

CAT No: CL-THM-34 CAS No: 101080-48-2 Mol Wt: 138.2 Mol F: C6H10N4 Inv Status: Custom Synthesis

Chemical Name: N5,2-Dimethylpyrimidine-4,5-diamine

4-Methyl-5-thiazoleethanol

CAT No: CL-THM-35 CAS No: 137-00-8 Mol Wt: 143.2 Mol F: C6H9NOS Inv Status: Custom Synthesis

Chemical Name: 2-(4-Methylthiazol-5-yl)ethan-1-ol

Aminopyrimidine

CAT No: CL-THM-36 CAS No: 95-02-3 Mol Wt: 138.2 Mol F: C6H10N4 Inv Status: Custom Synthesis

Chemical Name: ?5-(Aminomethyl)-2-methylpyrimidin-4-amine

Formylaminopyrimidine

CAT No: CL-THM-37 CAS No: 1886-34-6 Mol Wt: 166.2 Mol F: C7H10N4O Inv Status: Custom Synthesis

Chemical Name: N-((4-Amino-2-methylpyrimidin-5-yl)methyl)formamide

Thiamine Disulfide

CAT No: CL-THM-38 CAS No: 1899166-52-9 Mol Wt: 562.7 : 18.0 Mol F: C24H34N8O4S2 : H2O Inv Status: Custom Synthesis

Chemical Name: N,N'-((2Z,2'Z)-Disulfanediylbis(5-hydroxypent-2-ene-3,2-diyl))bis(N-((4-amino-2-methylpyrimidin-5-yl)methyl)formamide) hydrate

Thiochrome

CAT No: CL-THM-39 CAS No: 92-35-3 Mol Wt: 262.3 Mol F: C12H14N4OS Inv Status: Custom Synthesis

Chemical Name: 2-(2,7-Dimethyl-5H-pyrimido[4,5-d]thiazolo[3,2-a]pyrimidin-8-yl)ethan-1-ol

Toxopyrimidine

CAT No: CL-THM-40 CAS No: 73-67-6 Mol Wt: 139.2 Mol F: C6H9N3O Inv Status: Custom Synthesis

Chemical Name: ?(4-Amino-2-methylpyrimidin-5-yl)methanol

4-amino-2-methylpyrimidine-5-carboxamide

CAT No: CL-THM-41 CAS No: 7389-14-2 Mol Wt: 152.2 Mol F: C6H8N4O Inv Status: Custom Synthesis

Chemical Name: 4-Amino-2-methylpyrimidine-5-carboxamide

Cocarboxylase Tetrahydrate

CAT No: CL-THM-42 CAS No: 68684-55-9 Mol Wt: 424.3 : 4(18.0) Mol F: C12H18N4O7P2S : 4(H2O) Inv Status: Custom Synthesis

Chemical Name: 2-(3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium-5-yl)ethyl dihydrogen diphosphate tetrahydrate

Thiamine Impurity 10

CAT No: CL-THM-43 CAS No: NA Mol Wt: 245.3 Mol F: C14H19N3O Inv Status: Custom Synthesis

Chemical Name: N-(4-(Methoxymethyl)-5-methylcyclopenta-1,4-dien-1-yl)-2,4-dimethylpyrimidin-5-amine

Thiamine Impurity 17

CAT No: CL-THM-44 CAS No: 13051-49-5 Mol Wt: 178.6 Mol F: C7H11ClO3 Inv Status: Custom Synthesis

Chemical Name: 3-Chloro-4-oxopentyl acetate

Thiamine Impurity 18

CAT No: CL-THM-45 CAS No: 2882-49-7 Mol Wt: 214.3 Mol F: C7H10N4S2 Inv Status: Custom Synthesis

Chemical Name: ((4-Amino-2-methylpyrimidin-5-yl)methyl)carbamodithioic acid

Thiamine Impurity 19

CAT No: CL-THM-46 CAS No: 13045-13-1 Mol Wt: 136.6 Mol F: C5H9ClO2 Inv Status: Custom Synthesis

Chemical Name: 3-Chloro-5-hydroxypentan-2-one

Thiamine Impurity 20

CAT No: CL-THM-47 CAS No: 105070-51-7 Mol Wt: 526.7 Mol F: C24H30N8O2S2 Inv Status: Custom Synthesis

Chemical Name: 3,3'-Disulfanediylbis(4-(7-methylpyrimido[4,5-d]pyrimidin-3(4H)-yl)pent-3-en-1-ol)

Thiamine Impurity 6

CAT No: CL-THM-48 CAS No: NA Mol Wt: 245.3 Mol F: C14H21N4 Inv Status: Custom Synthesis

Chemical Name: 1-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-methyl-4-propyl-3H-pyrrol-1-ium

Thiamine Impurity 7

CAT No: CL-THM-49 CAS No: NA Mol Wt: 341.3 Mol F: C16H23FN2O3P Inv Status: Custom Synthesis

Chemical Name: 4-(2-(Dimethoxyphosphoryl)ethyl)-1-((4-fluoro-6-methylpyridin-3-yl)methyl)-5-methyl-3H-pyrrol-1-ium

Thiamine Impurity 8

CAT No: CL-THM-50 CAS No: NA Mol Wt: 264.3 Mol F: C13H15FN3O2 Inv Status: Custom Synthesis

Chemical Name: 4-(2-Carboxyethyl)-1-((4-fluoropyrimidin-5-yl)methyl)-5-methyl-3H-pyrrol-1-ium

Thiamine Impurity 9

CAT No: CL-THM-51 CAS No: NA Mol Wt: 247.3 Mol F: C14H18FN3 Inv Status: Custom Synthesis

Chemical Name: 4-Fluoro-2-methyl-N-(5-methyl-4-propylcyclopenta-1,4-dien-1-yl)pyrimidin-5-amine

Thiamine Impurity 21

CAT No: CL-THM-52 CAS No: 106030-08-4 Mol Wt: 125.0 : 23.0 Mol F: C5H5N2O2 : Na Inv Status: Custom Synthesis

Chemical Name: N-(2-Cyano-3-hydroxy-2-propenyl)formamide monosodium salt

Thiamine Monophosphate Chloride

CAT No: CL-THM-53 CAS No: 532-40-1 Mol Wt: 345.3 : 35.5 Mol F: C12H18N4O4PS : Cl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methyl-5-(2-(phosphonooxy)ethyl)thiazol-3-ium chloride

Thiamine-13C3 Hydrochloride

CAT No: CL-THM-54 CAS No: NA Mol Wt: 268.3 : 35.5 : 36.5 Mol F: C913C3H17N4OS : Cl : HCl Inv Status: Custom Synthesis

Chemical Name: 3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-(methyl-13C)thiazol-3-ium-4,5-13C2 chloride hydrochloride

Type:Impurity Reference Standard

API NAME:Thiamine

Total Products: 52

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