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1,3-Butanedione, 1-(4-methoxyphenyl)-4,4-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16877-31-9

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16877-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16877-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16877-31:
(7*1)+(6*6)+(5*8)+(4*7)+(3*7)+(2*3)+(1*1)=139
139 % 10 = 9
So 16877-31-9 is a valid CAS Registry Number.

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