Cas 190959-15-0,C32H42O8S

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Check Digit Verification of cas no

The CAS Registry Mumber 190959-15-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,5 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190959-15:
(8*1)+(7*9)+(6*0)+(5*9)+(4*5)+(3*9)+(2*1)+(1*5)=170
170 % 10 = 0
So 190959-15-0 is a valid CAS Registry Number.

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190959-15-0Relevant academic research and scientific papers

Synthesis and spectroscopic pecullarities of 11β-aryl-estra-4,8(14),9-trienes and 11β-aryl-estra-5(10),6,8-trienes

Neef, Guenter,Cleve, Arwed,Depke, Gisbert,Eckle, Emil

, p. 3897 - 3900 (1997)

A synthetic strategy is disclosed for the introduction of an additional conjugate 8(14) double bond into 11β-arylsubstituted antiprogestins of the RU 486 type. Ring B aromatic analogues are obtained as by-products. Both structural variations markedly affect the rotational behaviour of the 11β-phenyl residue.

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