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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Vitamin D2, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Vitamin D2 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 Vitamin D2-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.

Vitamin D2 Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1a-Hydroxy Vitamin D2-d3 Stable Isotopes CS-T-97401 54573-75-0 Enquire
1α,24-Dihydroxy Vitamin D2-d3 Stable Isotopes CS-T-101499 Not Available Enquire
25-Hydroxy Vitamin D2-d6 Stable Isotopes CS-O-10061 1262843-46-8 Enquire
25-Hydroxyvitamin D2 3-Hemisuccinate-13C4 Stable Isotopes CS-T-97402 1612177-56-6(Unlabelled) Enquire
25-Hydroxyvitamin D2-[25,26,27-13C3] Stable Isotopes CS-I-00435 2412408-92-3 Enquire
25-Hydroxyvitamin D2-[25,26,27-13C3] (Solution) Stable Isotopes CS-I-00546 2412408-92-3 Enquire
3-epi-25-Hydroxy Vitamin D2-d6 Stable Isotopes CS-T-96924 Not Available Enquire
3-Epi-25-hydroxyvitamin D2-[d3] Stable Isotopes CS-I-00433 Not Available Enquire
3-Epi-25-hydroxyvitamin D2-[d3] (Solution) Stable Isotopes CS-I-00543 Not Available Enquire
Vitamin D2-d6 Sulfate Sodium Salt Stable Isotopes CS-T-97095 Not Available Enquire
Vitamin D2-d6 β-D-Glucuronide Sodium Salt Stable Isotopes CS-T-97094 Not Available Enquire
1α,25-Dihydroxy Vitamin D2 D6 Stable Isotopes CS-O-10133 60133-18-8 (Unlabeled) Enquire
1,25-Dihydroxyvitamin D2-[D3] Stable Isotopes CS-O-10242 1261254-46-9 Enquire
1,25-Dihydroxyvitamin D2-[d3] (Solution) Stable Isotopes CS-I-00540 1261254-46-9 Enquire
24,25-Dihydroxy Vitamin D2-d3 Stable Isotopes CS-T-53271 118584-50-2 Enquire
25-Hydroxyvitamin D2-[d3] Stable Isotopes CS-ZG-31896 1217467-39-4 Enquire
25-Hydroxyvitamin D2-[d3] (Solution) Stable Isotopes CS-I-00547 1217467-39-4 Enquire
25-Hydroxyvitamin D2-[d3] Sulfate Sodium Salt (Solution) Stable Isotopes CS-I-00609 Not Available Enquire
Vitamin D2-[d3] (Solution) Stable Isotopes CS-I-00551 1217448-46-8 Enquire
Vitamin D2-[d3] Sulfate Sodium Salt (Solution) Stable Isotopes CS-I-00612 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Vitamin D2 Tosylate API CS-T-46519 72204-99-0 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Alpha-25-Dihydroxyvitamin D2 Metabolite CS-O-06124 60133-18-8 In Stock
1-β-Hydroxy Vitamin D2 Metabolite CS-T-56535 127516-23-8 In Stock
3-Epi-25-Hydroxyvitamin D2 Metabolite CS-O-10247 908126-48-7 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1alpha-Trans-Vitamin D2 (5E-Isomer) Impurity CS-O-59240 ----- Enquire
1α,25-dihydroxyvitamin D2 aldehyde impurity Impurity CS-O-52136 111024-92-1 Enquire
TBDMS 1α,25-dihydroxyvitamin D2 aldehyde impurity Impurity CS-O-52141 112924-92-2 Enquire
(3S)-tert-Butyldimethylsilyl Vitamin D2 SO2 Adduct Impurity CS-T-50073 251445-16-6 Enquire
1a,24-Dihydroxy Vitamin D2 Impurity CS-T-53272 124043-51-2 Enquire
1a-Hydroxy Previtamin D2 +1a-Hydroxy Vitamin D2 ( 2 compound... Impurity CS-T-56330 127264-18-0 + 54573-75-0 Enquire
25-Hydroxyvitamin D2 Impurity CS-O-10244 21343-40-8 Enquire
5,6-trans-Vitamin D2 Impurity CS-T-62751 51744-66-2 Enquire
Vitamin D2 O-t-Butyldimethylsilyl Ether Impurity CS-T-87969 104846-62-0 Enquire
Vitamin D2 SO2 Adduct Impurity CS-T-62746 87680-65-7 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Vitamin D2-Beta-D-Glucuronide Sodium Glucuronide CS-T-62748 85701-30-0 Enquire