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2,3-dimethyl-3-(2-hydroxy-4-methylphenyl)cyclopent-1-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81603-53-4

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81603-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81603-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81603-53:
(7*8)+(6*1)+(5*6)+(4*0)+(3*3)+(2*5)+(1*3)=114
114 % 10 = 4
So 81603-53-4 is a valid CAS Registry Number.

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