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Benzoic acid (3R,5R,8R,9S,10S,12S,13R,14S,17R)-17-((R)-3-methoxycarbonyl-1-methyl-propyl)-12-(2-methoxy-ethoxymethoxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87770-81-8

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87770-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87770-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,7 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87770-81:
(7*8)+(6*7)+(5*7)+(4*7)+(3*0)+(2*8)+(1*1)=178
178 % 10 = 8
So 87770-81-8 is a valid CAS Registry Number.

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