7-Dehydrocholesterol

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7-Dehydrocholesterol
2D structure for 7-Dehydrocholesterol
Chemical Name	10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Chemical Formula	C₂₇H₄₄O
CAS Number	434-16-2
Chemical Information	HMDB00032
Biochemical Taxonomy	Steroids and Steroid Derivatives
Functional Taxonomy	Not Available
Nutritional Taxonomy	Not Available
Metabolic Pathways	Biosynthesis of Steroids
Biofluid Location	Blood Cerebrospinal Fluid (CSF) Urine
Tissue Location	Brain Epidermis Fetus Fibroblasts Liver Skin Testis Adrenal Gland
Normal Biofluid Concentrations	Blood: 0.005 +/- 0.0022 uM Cerebrospinal Fluid (CSF): 0 - 0.02 uM Urine: 0.029 (0.0068-0.051) umol/mmol creatinine
Normal Tissue Concentrations	Not Available
Diseases / Conditions Related to Nutrition	Smith-Lemli-Opitz syndrome Smith�Lemli�Opitz syndrome (SLOS)
Other (Monogenic Disorders)	Smith-lemli-opitz syndrome OMIM: 270400
Abnormal Biofluid Concentrations	Blood (Smith�Lemli�Opitz syndrome (SLOS)): 0.17 (0.1-0.25) uM Cerebrospinal Fluid (CSF) (Smith-Lemli-Opitz syndrome): 0.3 +/- 0.2 (0.1 - 0.6) uM
Abnormal Tissue Concentrations	Not Available
Physiological Processes	Not Available

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Introduction

guidelines
7-Dehydrocholesterol is a zoosterol (a sterol produced by animals rather than plants). It is a provitamin-D. The presence of this compound in skin enables humans to manufacture vitamin D3 from ultra-violet rays in the sun light, via an intermediate isomer provitamin D3. It is also found in breast milk.