TLC Pharmaceutical Standards

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THIAMINE

T-8438

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Catalogue Number:	T-8438
Compound Name:	Thiamine Impurity 15 (Toxopyrimidine)
Synonyms:	(4-amino-2-methylpyrimidin-5-yl)methanol
CAS#:	73-67-6
Alternate CAS#:
Molecular Formula:	C₆H₉N₃O
Molecular Weight:	139.16

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CAS No. 137-00-8

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CAS No. 614-05-1

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M.W. 266.34 35.45 36.46

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Thiamine Impurity 4

CAS No. 24941-82-0

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M.W. 279.34 35.34

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Thiamine Impurity 5

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M.W. 425.31 35.45

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T-8451

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C₁₂H₁₉N₄O₁₀P₃S. 3C₈H₁₉N

M.W. 504.28 3*129.25

T-8452

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C₆H₈N₂O₃S

M.W. 188.20

T-8453

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Thiamine Impurity 26-d3

C₆H₅D₃N₂O₃S

M.W. 191.22

T-8454

Thiamine Chloride HCl

Thiamine Impurity 27 (Mixture of Tautomeric Isomers)

CAS No. 2410790-96-2 (ring close form), 2410791-57-8 (ring open form)

C₁₁H₁₇N₃O₂S

M.W. 255.34

T-8455

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Thiamine Impurity 28

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M.W. 348.86

T-8456

Thiamine Chloride HCl

Thiamine Impurity 29

C₉H₁₅N₃O₂S

M.W. 229.30

T-8457

Thiamine Chloride HCl

Thiamine Impurity 30

C₁₁H₁₇N₃O₂S

M.W. 255.34

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Thiamine Impurity 31 DiHCl

C₆H₁₀N₄. 2 HCl

M.W. 138.17*36.46

T-8459

Thiamine Chloride HCl

Thiamine Impurity 32

C₁₅H₂₂N₆O₂S

M.W. 350.44

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C₁₄H₁₉N₄O. Br. HBr

M.W. 259.33 79.90 80.91

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CAS No. 16565-80-3

C₁₁H₁₅N₄OS. Br

M.W. 251.33 . 79.90

T-8462

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Thiamine Triphosphate Trisammonium Salt

C₁₂H₁₆N₄O₁₀P₃S. 3 NH₄

M.W. 501.26 3*18.04