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Ethanone, 1-(2,3,6-trimethyl-4-pyridinyl)- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72191-38-9

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72191-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72191-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,9 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72191-38:
(7*7)+(6*2)+(5*1)+(4*9)+(3*1)+(2*3)+(1*8)=119
119 % 10 = 9
So 72191-38-9 is a valid CAS Registry Number.

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