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(1R,2S,5R,6S)-12-Oxo-3,4-diphenyl-11-oxa-tricyclo[4.4.1.12,5]dodeca-3,7,9-triene-2,5-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74674-56-9

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74674-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74674-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74674-56:
(7*7)+(6*4)+(5*6)+(4*7)+(3*4)+(2*5)+(1*6)=159
159 % 10 = 9
So 74674-56-9 is a valid CAS Registry Number.

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