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17α-bromo-3α-(triphenylsilyloxy)-5α-androstan-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

257619-77-5

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257619-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 257619-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,6,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 257619-77:
(8*2)+(7*5)+(6*7)+(5*6)+(4*1)+(3*9)+(2*7)+(1*7)=175
175 % 10 = 5
So 257619-77-5 is a valid CAS Registry Number.

257619-77-5Downstream Products

257619-77-5Relevant academic research and scientific papers

Long-range through-bond photoactivated σ bond cleavage in steroids. Intramolecular sensitized debromination

Li, Wen-Shan,Morrison, Harry

, p. 15 - 18 (2000)

(formula presented) The photolysis of 17α-bromo-3α-(triphenylsilyloxy)-5α-androstane (2; 3αTPSO/17αBr) and 17α-bromo-3α-(triphenylsilyloxy)-5α-androstan-6-one (3; 3αTPSO/6ketone/17αBr) is described. Irradiation of 2 with 266 nm light leads to debrominatio

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