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1-phthalimidyl-2-pentanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40644-70-0

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40644-70-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40644-70-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,4 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40644-70:
(7*4)+(6*0)+(5*6)+(4*4)+(3*4)+(2*7)+(1*0)=100
100 % 10 = 0
So 40644-70-0 is a valid CAS Registry Number.

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