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1173-13-3

1173-13-3 structure

1173-13-3 structure

Name: Previtamin D3
Chemical Name: Previtamin D3
CAS Number: 1173-13-3
Molecular Formula: C₂₇H₄₄O
Molecular Weight: 384.63800
Catalog: Research Areas Metabolic Disease
Create Date: 2018-12-29 21:01:15
Modify Date: 2026-07-16 11:31:54
Previtamin D3 is an intermediate in the production of cholecalciferol (vitamin D3)[1].

Name	Previtamin D3
Synonyms	Precalciferol Precalciferol (PrevitaMin D3) EINECS 214-634-2 (3beta,6Z)-9,10-secocholesta-5,6,8-trien-3-ol Precalciferol3 Alfacalciferol impurity 6 Einecs -2 (1S)-3-[(Z)-2-[(1R,3aR,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methylcyclohex-3-en-1-ol Previtamin D3 (> Cholecalciferol Impurity 13 （Previtamin D3 ） (6Z)-9,10-Secocholesta-5,6,8-trien-3β-ol 3-Cyclohexen-1-ol, 3-[(1Z)-2-[(1R,3,7-1-[(1R)-1,5-dimethylhexyl]-2,3,3a,6,7,7a-hexahydro-7a-methyl-1H-inden-4-yl]ethenyl]-4-methyl-, (1S) 8-trien-3-ol 9,10-Secocholesta-5-,6,8-trien-3-ol, -(3,.beta.,6Z) previtamin d(3 9,10-Secocholesta-5-,6,8-trien-3-ol,-(3,.beta.,6Z) 9,10-Secocholesta-5,6,8-trien-3β-ol Precholecalciferol Previtamin D3 (>80per cent) (1S)-3-[(Z)-2-[(1R,3,7-7a-methyl-1-[(2R)-6-methylhtan-2-yl]-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methyl-cyclohex-3-en-1-ol 6Z)-9 (3β,6Z)-9,10-Secocholesta-5,6,8-trien-3-ol (S)-4-methyl-3-((Z)-2-((1R,3,7-7a-methyl-1-((R)-6-methylhtan-2-yl)-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)cyclohex-3-enol PrevitaMin D3 (1S)-3-[(1Z)-2-[(1R,3,7-1-[(1R)-1,5-DiMethylhexyl]-2,3,3a,6,7,7a-hexahydro-7a-Methyl-1H-inden-4-yl]ethenyl]-4-Methyl-3-Cyclohexen-1-ol

Description	Previtamin D3 is an intermediate in the production of cholecalciferol (vitamin D3)[1].
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Metabolic Disease
References	[1]. M F Holick, et al. The Cutaneous Photosynthesis of Previtamin D3: A Unique Photoendocrine System. J Invest Dermatol. 1981 Jul;77(1):51-8.

Density	1.017g/cm3
Boiling Point	496ºC at 760mmHg
Molecular Formula	C₂₇H₄₄O
Molecular Weight	384.63800
Flash Point	214.1ºC
Exact Mass	384.33900
PSA	20.23000
LogP	7.61900
Vapour Pressure	6.45E-12mmHg at 25°C
Index of Refraction	1.576

Hazard Codes	T

Precursor 0
DownStream 4
434-16-2 5226-01-7 1173-13-3 67-97-0

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