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Alfacalcidol Related Products


Alfacalcidol is a vitamin D analog used for the management of hypocalcemia, secondary hyperparathyroidism, and osteodystrophy in patients with chronic renal failure, as well as some types of rickets and osteomalacia. It plays an essential function in calcium homeostasis and bone metabolism.


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Alfacalcidol, pharmacopeial and non-pharmacopeial Alfacalcidol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Alfacalcidol impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Alfacalcidol-related products are thoroughly characterized. Alfacalcidol products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Alfacalcidol

Picture of Alfacalcidol
SZ CAT No:: SZ-A123001
CAS No: 41294-56-8
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Custom Synthesis

Alfacalcidol EP Impurity A

Picture of Alfacalcidol EP Impurity A
SZ CAT No:: SZ-A123002
CAS No: 65445-14-9
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Custom Synthesis

Alfacalcidol EP Impurity B

Picture of Alfacalcidol EP Impurity B
SZ CAT No:: SZ-A123003
CAS No: 63181-13-5
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Custom Synthesis

Alfacalcidol EP Impurity C

Picture of Alfacalcidol EP Impurity C
SZ CAT No:: SZ-A123004
CAS No: NA
Mol.F.: C35H49N3O4
Mol.Wt.: 575.8
Inv. Status: Custom Synthesis

1-Hydroxy-7,8-epoxy-vitamin D3

Picture of 1-Hydroxy-7,8-epoxy-vitamin D3
SZ CAT No:: SZ-A123009
CAS No: 2227309-93-3
Mol.F.: C27H44O3
Mol.Wt.: 416.6
Inv. Status: Under Synthesis

1-Keto-vitamin D3

Picture of 1-Keto-vitamin D3
SZ CAT No:: SZ-A123010
CAS No: 86307-40-6
Mol.F.: C27H42O2
Mol.Wt.: 398.6
Inv. Status: Under Synthesis

1α-Hydroxy-3-epi-vitamin D3

Picture of 1α-Hydroxy-3-epi-vitamin D3
SZ CAT No:: SZ-A123006
CAS No: 58028-00-5
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Under Synthesis

Alfacalcidol Impurity 1

Picture of Alfacalcidol Impurity 1
SZ CAT No:: SZ-A123005
CAS No: 112670-85-6
Mol.F.: C39H72O2Si2
Mol.Wt.: 629.2
Inv. Status: Under Synthesis

Alfacalcidol Impurity 2

Picture of Alfacalcidol Impurity 2
SZ CAT No:: SZ-A123007
CAS No: 2963746-77-0
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Under Synthesis

Alfacalcidol Impurity 3

Picture of Alfacalcidol Impurity 3
SZ CAT No:: SZ-A123008
CAS No: 1279049-53-4
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Under Synthesis

Alfacalcidol Impurity 4

Picture of Alfacalcidol Impurity 4
SZ CAT No:: SZ-A123011
CAS No: 2227309-94-4
Mol.F.: C27H42O3
Mol.Wt.: 414.6
Inv. Status: Under Synthesis

Alfacalcidol Impurity 5

Picture of Alfacalcidol Impurity 5
SZ CAT No:: SZ-A123012
CAS No: 75197-02-3
Mol.F.: C18H32O
Mol.Wt.: 264.5
Inv. Status: Under Synthesis

Alfacalcidol Impurity 6

Picture of Alfacalcidol Impurity 6
SZ CAT No:: SZ-A123013
CAS No: NA
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status: Under Synthesis

Alfacalcidol Impurity 7

Picture of Alfacalcidol Impurity 7
SZ CAT No:: SZ-A123014
CAS No: 203261-58-9
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status:

Alfacalcidol Impurity 8

Picture of Alfacalcidol Impurity 8
SZ CAT No:: SZ-A123015
CAS No: 104651-70-9
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status:

Alfacalcidol Impurity 9

Picture of Alfacalcidol Impurity 9
SZ CAT No:: SZ-A123016
CAS No: NA
Mol.F.: C27H44O2
Mol.Wt.: 400.6
Inv. Status:
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