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25-hydroxyvitamin D2

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Origin: China

Cas No: 21343-40-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 21343-40-8 Formula: C28H44O2 Molecular Weight: 412.64800

Description

A metabolite of Vitamin D2.

Basic Info

Chemical Name	25-hydroxyvitamin D2
Synonyms	25-Hydroxy Vitamin D2; 25-Hydroxyvitamin D2; 25-Hydroxyergocalciferol 25-Hydroxycalciferol; Ercalcidiol,3β,5Z,7E,22E)-9,10-secoergosta-5,7,10(19),22-tetraen-3,25-diol;
CAS No.	21343-40-8
Molecular Formula	C28H44O2
Molecular Weight	412.64800
PSA	40.46000
LogP	6.75590

Properties

Density	1.02 g/cm3
Boiling Point	542.3ºC at 760 mmHg
Melting Point	45-51ºC
Flash Point	225.9ºC
Refractive Index	1.542
Storage Condition	-20ºC
Vapor Pressure	5.06E-14mmHg at 25°C

Safety Info

RIDADR	UN2811 6

Synthesis Route

25-((methoxymethyl)oxy)vitamin D2 tert-butyldimethylsilyl ether→25-hydroxyvitamin D2
(22R)-des-A,B-8β-(benzoyloxy)-25-[(methoxymethyl)oxy]cholest-23-yn-22-ol→25-hydroxyvitamin D2
(2S)-2,3-dimethylbutane-1,3-diol→25-hydroxyvitamin D2

Precursor

2,3-dimethyl-4-phenylmethoxybutan-2-ol
(R)-2,3-dimethyl-4-phenylthio-2-butanol
(22R)-des-A,B-8β-(benzoyloxy)-25-[(methoxymethyl)oxy]cholest-23-yn-22-ol
(2S)-2,3-dimethylbutane-1,3-diol

Downstream Product

1α,25-dihydroxyvitamin D2

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