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1-(2'-acetoxyphenyl)-5-phenyl-pent-1-yn-4-enone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81787-65-7

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81787-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81787-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,8 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81787-65:
(7*8)+(6*1)+(5*7)+(4*8)+(3*7)+(2*6)+(1*5)=167
167 % 10 = 7
So 81787-65-7 is a valid CAS Registry Number.

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