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75933-88-9

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75933-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75933-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,3 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75933-88:
(7*7)+(6*5)+(5*9)+(4*3)+(3*3)+(2*8)+(1*8)=169
169 % 10 = 9
So 75933-88-9 is a valid CAS Registry Number.

75933-88-9Relevant articles and documents

(8-Quinolinesulfonyl)tetrazole: A New Type of Highly Efficient Coupling Agent for the Synthesis of Ribooligonucleotides by the Phosphortriester Approach

Takaku, Hiroshi,Yoshida, Masatoshi

, p. 589 - 593 (2007/10/02)

(8-Quinolinesulfonyl)Tetrazole (QS-tet) has been developed as a new type of highly efficient coupling agent in the synthesis of phosphotriester bonds.This reagent very rapidly completes the coupling reactions, and the yield is considerably higher than tha

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