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90663-11-9

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90663-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90663-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,6 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90663-11:
(7*9)+(6*0)+(5*6)+(4*6)+(3*3)+(2*1)+(1*1)=129
129 % 10 = 9
So 90663-11-9 is a valid CAS Registry Number.

90663-11-9Downstream Products

90663-11-9Relevant articles and documents

UNEXPECTED REGIOSPECIFICITY IN PHOTOCHEMICAL α-CLEAVAGE OF HYDRINDANONES.

Trendel, J. M.,Albrecht, P.

, p. 1175 - 1178 (2007/10/02)

Triterpene derived trans-hydrindanones 1 of the hopane and lupane series undergo highly regiospecific photochemical α-cleavage; they are cleaved in high yields on the least substituted side of the ketone.The more stable cis-hydrindanones 1 exclusively cleave on the more substituted side as expected.

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