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1-ethyl-2,3-dihydro-1H-inden-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97640-61-4

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97640-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97640-61-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,4 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97640-61:
(7*9)+(6*7)+(5*6)+(4*4)+(3*0)+(2*6)+(1*1)=164
164 % 10 = 4
So 97640-61-4 is a valid CAS Registry Number.

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