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(R)-4-((3R,5R,8S,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid methyl ester is a complex organic compound with a molecular formula of C25H42O5. It is a chiral molecule, meaning it has a non-superimposable mirror image, and it belongs to the class of pentanoic acid derivatives. (R)-4-((3R,5R,8S,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid methyl ester features a cyclopenta[a]phenanthrene core structure, which is a type of polycyclic aromatic hydrocarbon. The molecule contains multiple chiral centers, indicated by the R and S configurations at various carbon atoms, and it has two hydroxyl groups at the 3 and 12 positions. The ester group is present at the 4 position, and the molecule is further characterized by the presence of a methyl ester group. (R)-4-((3R,5R,8S,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid methyl ester is likely to be found in natural products or synthesized for specific applications in chemistry or pharmaceuticals, given its intricate structure and functional groups.

1912-56-7

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1912-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1912-56-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,1 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1912-56:
(6*1)+(5*9)+(4*1)+(3*2)+(2*5)+(1*6)=77
77 % 10 = 7
So 1912-56-7 is a valid CAS Registry Number.

1912-56-7Relevant academic research and scientific papers

The Reactivity of Silyl Ethers to the Swern Reagent

Afonso, Carlos M.,Barros, M. Teresa,Maycock, Christopher D.

, p. 1221 - 1224 (2007/10/02)

The activated Me2SO reagent , 'Swern reagent'> oxidises the trimethylsilyl ethers of primary and secondary alcohols directly to the corresponding carbonyl compound.Useful selectivity is possible where competing ether groups possess large differences of steric hindrance.Dimethyl-t-butylsilyl ethers are unaffected by this reagent.

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