7-Dehydrocholesterol CAS 434-16-2

Chemical Name: 7-Dehydrocholesterol

Synonyms: Provitamin D3; Cholecalciferol EP Impurity B

Purity: ≥90%

CAS No. 434-16-2

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Product Detail

Product Description

7-Dehydrocholesterol

Chemical name: 7-Dehydrocholesterol

Formula: C₂₇H₄₄O
CAS No.: 434-16-2

Quality standard:

ITEMS	SPECIFICATIONS
Appearance	Almost white to yellowish powder
Specific Rotation	-105°～ -120°(C=1, CHCl3)
Melting point	140~146℃
Loss on drying	≤7.0%
Assay（on dried basis）	≥90.0%

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