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6-oxo-7,7-diphenyl-heptanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

29917-56-4

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29917-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29917-56-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,1 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 29917-56:
(7*2)+(6*9)+(5*9)+(4*1)+(3*7)+(2*5)+(1*6)=154
154 % 10 = 4
So 29917-56-4 is a valid CAS Registry Number.

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