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(4aS,5R,13bR)-5-Methanesulfonyloxy-11,12-dimethoxy-2,6-dioxo-1,2,5,6,8,9-hexahydro-indolo[7a,1-a]isoquinoline-4a-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156567-05-4

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156567-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156567-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,6 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156567-05:
(8*1)+(7*5)+(6*6)+(5*5)+(4*6)+(3*7)+(2*0)+(1*5)=154
154 % 10 = 4
So 156567-05-4 is a valid CAS Registry Number.

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