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6,7-dichloro-5-methoxy-2-methyl-1-indanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54196-91-7

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54196-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54196-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,9 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54196-91:
(7*5)+(6*4)+(5*1)+(4*9)+(3*6)+(2*9)+(1*1)=137
137 % 10 = 7
So 54196-91-7 is a valid CAS Registry Number.

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