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3-{2-[2-(2-Chlorocarbonyl-ethoxy)-ethoxy]-ethoxy}-propionyl chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40976-91-8

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40976-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40976-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,7 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40976-91:
(7*4)+(6*0)+(5*9)+(4*7)+(3*6)+(2*9)+(1*1)=138
138 % 10 = 8
So 40976-91-8 is a valid CAS Registry Number.

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