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3-benzyl-4-[2-(tert-butyl-dimethyl-silanyloxy)-2-methyl-3-(toluene-4-sulfonyloxy)-propyl]-6-chloro-2,3,3a,4,5,6-hexahydro-1H-pyrrolo[2,3-d]carbazole-6-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

634597-42-5

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634597-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 634597-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,5,9 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 634597-42:
(8*6)+(7*3)+(6*4)+(5*5)+(4*9)+(3*7)+(2*4)+(1*2)=185
185 % 10 = 5
So 634597-42-5 is a valid CAS Registry Number.

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