30800

7-Dehydrocholesterol

≥95.0% (HPLC)

• 동의어(들): (−)-7-Dehydrocholesterol, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol, Provitamin D₃
• 실험식(Hill 표기법): C₂₇H₄₄O
• CAS Number: 434-16-2
• Molecular Weight: 384.64
• Beilstein: 2224615
• EC Number: 207-100-5
• MDL number: MFCD00003624
• UNSPSC 코드: 12352211
• eCl@ss: 39023139
• PubChem Substance ID: 57648485
• NACRES: NA.79

속성

• 생물학적 소스: synthetic
• Quality Level: 100
• 분석: ≥95.0% (HPLC)
• 형태: powder or crystals
• 광학 활성: [α]20/D -115±8°, c = 1% in chloroform
• 색상: white to faint yellow
• mp: 148-152 °C (lit.)
• 저장 온도: −20°C
• SMILES string: [H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)CCCC(C)C
• InChI: 1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1
• InChI key: UCTLRSWJYQTBFZ-DDPQNLDTSA-N

설명

일반 설명

7-Dehydrocholesterol (7-DHC), a 5,7-conjugated diene sterol is a biosynthetic precursor of cholesterol. It helps in the production of vitamin D₃ when exposed to ultraviolet B (UVB) radiation.

애플리케이션

7-Dehydrocholesterol has been used as an internal standard to determine sterols.

생화학적/생리학적 작용

Down-regulates cholesterol biosynthesis in cultured Smith-Lemi-Opitz syndrome skin fibroblasts.

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Eyeshields, Gloves, type N95 (US)