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3a,7a-Epoxy-1H-inden-4(5H)-one, tetrahydro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

39746-31-1

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39746-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39746-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,4 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39746-31:
(7*3)+(6*9)+(5*7)+(4*4)+(3*6)+(2*3)+(1*1)=151
151 % 10 = 1
So 39746-31-1 is a valid CAS Registry Number.

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