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methyl (3aα,12α,12aα,12bα)-1,2,3,3a,4,5,11,12,12a,12b-decahydro-3aα-ethyl-5-oxoisoquino<2,1,8,-lma>carbazole-12-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

103557-55-7

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103557-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103557-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,5 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103557-55:
(8*1)+(7*0)+(6*3)+(5*5)+(4*5)+(3*7)+(2*5)+(1*5)=107
107 % 10 = 7
So 103557-55-7 is a valid CAS Registry Number.

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