2-bromo-9,11β-dichloro-6β-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate) is a complex organic compound belonging to the class of steroids. It is characterized by the presence of a pregnane core structure, which is a type of steroid with a specific carbon skeleton. This particular compound features a bromine atom at the 2nd position, two chlorine atoms at the 9th and 11th positions, a fluorine atom at the 6th position, and two hydroxyl groups at the 17th and 21st positions. The 3rd and 20th carbon atoms are connected through a ketone group, and the hydroxyl groups at the 17th and 21st positions are acetylated, meaning they are esterified with acetic acid. 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate) is likely to be used in pharmaceutical or chemical research due to its unique structure and potential biological activities.

57781-16-5

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Basic information
1. Product Name: 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate)
2. Synonyms: 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate);17,21-Bis(acetyloxy)-2-bromo-9,11β-dichloro-6β-fluoropregna-1,4-diene-3,20-dione;Einecs 260-954-0
3. CAS NO:57781-16-5
4. Molecular Formula: C₂₅H₂₈BrCl₂FO₆
5. Molecular Weight: 627.3013632
6. EINECS: 260-954-0
7. Product Categories: N/A
8. Mol File: 57781-16-5.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 639.4°Cat760mmHg
3. Flash Point: 340.5°C
4. Appearance: /
5. Density: 1.5g/cm³
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate)(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate)(57781-16-5)
11. EPA Substance Registry System: 2-bromo-9,11beta-dichloro-6beta-fluoro-17,21-dihydroxypregna-1,4-diene-3,20-dione 17,21-di(acetate)(57781-16-5)
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: 57781-16-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 57781-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57781-16:
(7*5)+(6*7)+(5*7)+(4*8)+(3*1)+(2*1)+(1*6)=155
155 % 10 = 5
So 57781-16-5 is a valid CAS Registry Number.

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