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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Alfacalcidol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Alfacalcidol impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Alfacalcidol-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Alfacalcidol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Alfacalcidol-d7 Stable Isotopes CS-O-13503 41294-56-8(Unlabeled) Enquire
Alfacalcidol D6 Stable Isotopes CS-O-10413 1641940-94-4 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Alfacalcidol API CS-O-00811 41294-56-8 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,3-bi-TBS-trans-Alfacalcidol Impurity CS-O-55304 112670-85-6 Enquire
1-Hydroxy-7,8-epoxy-vitamin D3 Impurity CS-O-57987 2227309-93-3 Enquire
1-Keto-7,8-epoxy-vitamin D3 Impurity CS-O-57988 2227309-94-4 Enquire
Alfacalcidol EP Impurity A Impurity CS-O-13504 65445-14-9 In Stock
Alfacalcidol Impurity 23 Impurity CS-O-58363 104651-70-9 Enquire
Alfacalcidol Impurity 33 Impurity CS-O-57991 75197-02-3 Enquire
Alfacalcidol Impurity 5 Impurity CS-O-58364 203261-58-9 Enquire
Alfacalcidol impurity14 Impurity CS-O-57986 ---- Enquire
cis-Alfacalcidol Impurity CS-O-57984 2963746-77-0 Enquire
pre-Alfacalcidol Impurity CS-T-96058 Not Available Enquire
5,6-trans-Alfacalcidol Impurity CS-T-87255 65445-14-9 Enquire
Alfacalcidol EP Impurity B Impurity CS-O-13505 58028-00-5 Enquire
Alfacalcidol EP Impurity C Impurity CS-O-13506 82266-85-1 Enquire