Impurity Standards

IP, USP and EP Compliant

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CALCITRIOL

Calcitriol EP Impurity B (epi-Calcitriol)

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CAS No.66791-71-7
Mol. F.C27H44O3
Mol. W.416.65
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CALCIFEDIOL

Calcifediol EP Impurity B

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CAS No.22145-68-2
Mol. F.C27H44O2
Mol. W.400.65
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CALCIFEDIOL

Calcifediol EP Impurity A

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CAS No.61585-29-3
Mol. F.C27H44O2
Mol. W.400.65
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CALCIFEDIOL

Calcifediol EP Impurity D

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CAS No.-
Mol. F.C27H44O2
Mol. W.400.65
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CALCIPOTRIOL

Calcipotriol EP Impurity A

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CAS No.126860-83-1
Mol. F.C27H38O3
Mol. W.410.60
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CALCIPOTRIOL

Calcipotriol EP Impurity B

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CAS No.-
Mol. F.C27H40O3
Mol. W.412.62
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CALCIPOTRIOL

Calcipotriol EP Impurity G

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CAS No.-
Mol. F.C54H78O5
Mol. W.807.22
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CALCIPOTRIOL

Calcipotriol EP Impurity H

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CAS No.-
Mol. F.C54H78O5
Mol. W.807.22
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CAFFEINE

Caffeine Impurity 1 Sodium Salt

CAT No.-
CAS No.54536-15-1 (free acid)
Mol. F.C8H11N4O3. Na
Mol. W.211.20 22.99
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CALCIPOTRIOL

Calcipotriol EP Impurity I

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CAS No.-
Mol. F.C27H40O3
Mol. W.412.62
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