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790650-09-8

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790650-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 790650-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,0,6,5 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 790650-09:
(8*7)+(7*9)+(6*0)+(5*6)+(4*5)+(3*0)+(2*0)+(1*9)=178
178 % 10 = 8
So 790650-09-8 is a valid CAS Registry Number.

790650-09-8Relevant articles and documents

Combination of tert-butoxycarbonyl and triphenylphosphonium protecting groups in the synthesis of substituted hydrazines

Tsubrik, Olga,Maeeorg, Uno

, p. 2297 - 2299 (2001)

(matrix presented) A new reagent for the systematic synthesis of substituted hydrazines is reported. Unlike previously developed reagents, this one contains only two protecting groups, thus providing a faster approach to multisubstituted derivatives. The selective introduction of alkyl and acyl groups is illustrated by a few examples. Also a new fast method for the deprotection of the triphenylphosphonium group is presented.

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