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(4aS,6aS,6bR,8aR,10S,11R,12aR,12bR,14bS)-10-Hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-11-(4-nitro-benzoyloxy)-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77523-47-8

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77523-47-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77523-47-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,2 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77523-47:
(7*7)+(6*7)+(5*5)+(4*2)+(3*3)+(2*4)+(1*7)=148
148 % 10 = 8
So 77523-47-8 is a valid CAS Registry Number.

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