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90641-81-9

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90641-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90641-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90641-81:
(7*9)+(6*0)+(5*6)+(4*4)+(3*1)+(2*8)+(1*1)=129
129 % 10 = 9
So 90641-81-9 is a valid CAS Registry Number.

90641-81-9Downstream Products

90641-81-9Relevant articles and documents

Carbonic anhydrase inhibitors. Part 61. Quantum chemical QSAR of a group of benzenedisulfonamides

Clare, Brian W.,Supuran, Claudiu T.

, p. 463 - 474 (2007/10/03)

The synthesis of a large group of benzenesulfonamides containing both a primary and secondary sulfonamide moiety is described. These compounds are powerful inhibitors of several isozymes of the enzyme carbonic anhydrase. Separate QSAR's are given for inhi

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