CAS 434-16-2 MFCD00003624-7-Dehydrocholesterol 脱氢胆固醇 TAO{mole}

7-Dehydrocholesterol 脱氢胆固醇

CAS 434-16-2 MFCD00003624

化学结构图

SMILES: CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@@]21C

化学属性

Mol. Formula	C27H44O
Mol. Weight	385
Melting Point	148-152 °C(lit.)
TSCA	Yes
Solubility	不溶
Appearance	片状结晶（甲醇水溶液/乙醚）。熔点150-151℃（无水物）。[α]20/D-113.6°（氯仿）。露置空气中易氧化。

别名和识别编码

Chemical Name	7-Dehydrocholesterol
CAS Number	434-16-2
Synonym	(-)-7-DEHYDROCHOLESTEROL (-)-7-Dehydrocholesterol (-)-7-Dehydrocholesterol 3β-Hydroxy-5,7-cholestadiene 5,7-Cholestadien-3β-ol Provitamin D3 (3)-7-Dehydrochlesterol (3-beta)-cholesta-7-dien-3-ol (3beta)-Cholesta-5,7-dien-3-ol (3beta)-cholesta-7-dien-3-ol (3β)-7-去氢胆甾醇 3-Hydroxycholesta-5,7-diene 3BETA-HYDROXY-5,7-CHOLESTADIENE 3BETA-胆甾-5,7-二烯-3-醇 3β-Hydroxy-5,7-cholestadiene 3β-羟基胆甾-5,7-二烯 3β-胆甾-5,7-二烯-3-醇 5,7-CHOLESTADIEN-3-BETA-OL MONOHYDRATE 5,7-CHOLESTADIEN-3BETA-OL 5,7-Cholestadien-3-beta-ol 5,7-Cholestadien-3β-ol 5,7-Cholestandien-3.beta.-ol 5,7-Cholestandien-3beta-ol 5,7-胆甾二烯-3Β-醇 7,8-Didehydrocholesterol 7,8-didehydrocholesterol 7-DEHYDROCHOL
MDL Number	MFCD00003624
EC Number	207-100-5
Merck Number	14,2867
Beilstein Registry Number	2224615
PubChem Substance ID	439423
Chemical Name Translation	脱氢胆固醇
Wiswesser Line Notation	L E5 B666 JU LUTJ A1 E1 FY1&3Y1&1 OQ
LabNetwork Molecule ID	LN01278926
InChI	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

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产品应用

A vitamin precursor.

安全信息

RTECSFZ5650000

Safety Statements

S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触；
S22 Do not breathe dust 不要吸入粉尘；

Storage condition -20°C Light Sensitive

WGK Germany3

Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 60 gm/kg/2W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   NATWAY Naturwissenschaften.  (Springer-Verlag, Heidelberger Platz 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.1-    1913-  Volume(issue)/page/year:
   60,525,1973

Hazard statements

H413 Maycauselonglastingharmfuleffectstoaquaticlife 可能对水生生物造成长期持续有害影响。

Precautionary statements

P273 Avoid release to the environment. 避免释放到环境中。
P501 Dispose of contents/container to..… 处理内容物/容器.....

其他信息

方法一:猪皮中分离提取，亦可用胆甾醇经酯化、溴化、消除、水解制得。
MOL 文件:434-16-2.mol
Alfa Aesar:7-Dehydrocholesterol monohydrate, 97%(434-16-2)
Acros Organics:7-去氢胆固醇(含1M甲醇晶体) 7-Dehydrocholesterol, contains ca. 1 mole of methanol of crystallization, 97.50%(434-16-2)
7-去氢胆固醇价格(试剂级):更新日期产品编号产品名称包装价格 2010/06/21 111950250 7-去氢胆固醇 7-Dehydrocholesterol 97.5%, contains ca. 1 mole of methanol of crystallization 25 GR 1478元 2010/06/21 111950050 7-去氢胆固醇 7-Dehydrocholesterol 97.5%, contains ca. 1 mole of methanol of crystallization 5 GR 566元
用途一:维生素D3的中间体。
上游原料:胆固醇
F:8-10-23
下游产品:维生素 D3
Sigma Aldrich:434-16-2(sigmaaldrich)