Impurities
AY-0144-004
Cholecalciferol EP Impurity D
C27H44O
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Impurity reference standard material
Cholecalciferol EP Impurity B
Material overview
Cholecalciferol EP Impurity B (AY-0144-002) — impurity reference standard material. CAS 434-16-2, formula C27H44O, molecular weight 384.64 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0144-002
- CAS number
- 434-16-2
- Molecular formula
- C27H44O
- Molecular weight
- 384.64 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
- Synonyms
- 7-Dehydrocholesterin; 7-Dehydrocholesterol; Provitamin D3; ProCholecalciferol; 3-Beta-7-Dehydro Cholesterol
- SMILES
- C[C@@]1([C@@]2([H])[C@H](C)CCCC(C)C)[C@](CC2)([H])C3=CC=C4[C@](C)(CC[C@H](O)C4)[C@@]3([H])CC1
- Appearance
- Light Yellow Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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