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25-Hydroxyvitamin D3 monohydrate

SIGMA/17938 - ≥99.0% (HPLC)

Synonym: 25-Hydroxycholecalciferol

CAS Number: 63283-36-3
Empirical Formula (Hill Notation): C27H44O2 · H2O
Molecular Weight: 418.65
MDL Number: MFCD00867077
Linear Formula: C27H44O2 · H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-17938-1MG 1 mg
 $448.00
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assay ≥99.0% (HPLC)
biological source synthetic
color white to off-white
form powder or crystals
InChI 1S/C27H44O2/c1-19-10-13-23(28)18-22(19)12-11-21-9-7-17-27(5)24(14-15-25(21)27)20(2)8-6-16-26(3,4)29/h11-12,20,23-25,28-29H,1,6-10,13-18H2,2-5H3/b21-11+,22-12-/t20-,23+,24-,25+,27-/m1/s1
InChI key JWUBBDSIWDLEOM-DTOXIADCSA-N
Quality Level 200 
shipped in dry ice
SMILES string [H][C@@]1(CC[C@@]2([H])C(CCC[C@]12C)=CC=C3C[C@@H](O)CCC3=C)[C@H](C)CCCC(C)(C)O
storage temp. −20°C
Biochem/physiol Actions: Cholecalciferol is an inactive form of vitamin D3 which undergoes various levels of hydroxylation to form active vitamin D3 analogs. 1α-Hydroxyvitamin D3 (alfacalcidol) is a synthetic analog that is metabolized to 1,25-dihydroxycholecalciferol, the biologically active form of vitamin D3. Other analogues of cholecalciferol result from different hydroxylations. 25-dihydroxycholecalciferol is a the major circulating form of vitamin D3 and a physiological precursor of 1α,25-Dihydroxycholecalciferol. The conversion is catalyzed by 25-Hydroxyvitamin D3 1-α-hydroxylase (VD3 1A hydroxylase) also known ascytochrome p450 27B1 (CYP27B1).
Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
Purity ≥99.0% (HPLC)
Storage Temp. −20°C
UNSPSC 12352205

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