The chemical compound "Acetic acid 2-{(9R,10S,13S,17R)-9-fluoro-17-hydroxy-6-[1-hydroxy-meth-(E)-ylidene]-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl}-2-oxo-ethyl ester" is a complex organic molecule with a long and specific name. It is a derivative of acetic acid, featuring a 2-oxo-ethyl ester group. The compound's structure is characterized by a 17-carbon cyclopenta[a]phenanthren framework, which includes a fluorine atom at the 9-position, a hydroxy group at the 17-position, and a double bond in the form of a meth-(E)-ylidene group at the 6-position. Additionally, it has two methyl groups at the 10 and 13 positions, and two carbonyl groups at the 3 and 11 positions. This molecule is a part of a class of compounds known for their potential biological activities, and its specific structure suggests it may have applications in pharmaceutical or chemical research.

6656-38-8

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Basic information
1. Product Name: Acetic acid 2-{(9R,10S,13S,17R)-9-fluoro-17-hydroxy-6-[1-hydroxy-meth-(E)-ylidene]-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl}-2-oxo-ethyl ester
2. Synonyms:
3. CAS NO:6656-38-8
4. Molecular Formula:
5. Molecular Weight: 448.488
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Acetic acid 2-{(9R,10S,13S,17R)-9-fluoro-17-hydroxy-6-[1-hydroxy-meth-(E)-ylidene]-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl}-2-oxo-ethyl ester(CAS DataBase Reference)
10. NIST Chemistry Reference: Acetic acid 2-{(9R,10S,13S,17R)-9-fluoro-17-hydroxy-6-[1-hydroxy-meth-(E)-ylidene]-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl}-2-oxo-ethyl ester(6656-38-8)
11. EPA Substance Registry System: Acetic acid 2-{(9R,10S,13S,17R)-9-fluoro-17-hydroxy-6-[1-hydroxy-meth-(E)-ylidene]-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl}-2-oxo-ethyl ester(6656-38-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6656-38-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6656-38-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,5 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6656-38:
(6*6)+(5*6)+(4*5)+(3*6)+(2*3)+(1*8)=118
118 % 10 = 8
So 6656-38-8 is a valid CAS Registry Number.

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