Impurity Standards

IP, USP and EP Compliant

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CHOLESTEROL

Cholesterol Impurity 4

CAT No.-
CAS No.-
Mol. F.C55H90O3
Mol. W.799.32
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CHOLESTEROL

Cholesterol Impurity 5

CAT No.-
CAS No.-
Mol. F.C54H90O3S
Mol. W.819.37
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CHOLESTEROL

Cholesterol Impurity 6

CAT No.-
CAS No.1251-98-5
Mol. F.C28H48O
Mol. W.400.69
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CHOLIC ACID

Cholic acid impurity, 1,3,7-trihydroxyl-cholanicacid

CAT No.-
CAS No.-
Mol. F.C24H40O5
Mol. W.408.58
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CHOLIC ACID

Cholic Acid Impurity (3,7,22-Trihydroxyl-CholanicAcid)

CAT No.-
CAS No.108266-90-6
Mol. F.C24H40O5
Mol. W.408.58
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CHOLESTEROL

Cholesterol Impurity 1

CAT No.-
CAS No.-
Mol. F.C27H44O
Mol. W.384.65
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CHLORZOXAZONE

Chlorzoxazone Dimer Impurity

CAT No.-
CAS No.-
Mol. F.C15H8Cl2N2O4
Mol. W.351.14
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CHOLECALCIFEROL

Cholecalciferol EP Impurity A (5,6-trans-Cholecalciferol, 5,6-trans-Vitamin D3)

CAT No.-
CAS No.22350-41-0
Mol. F.C27H44O
Mol. W.384.65
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CHOLECALCIFEROL

Cholecalciferol Impurity D (iso-Tachysterol 3)

CAT No.-
CAS No.22350-43-2
Mol. F.C27H44O
Mol. W.384.64
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CHLORTALIDONE

Chlortalidone Impurity 3

CAT No.-
CAS No.856777-93-0
Mol. F.C14H12N2O4S
Mol. W.304.32
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