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(4-ethoxy-2-oxo-cyclopent-3-enyl)-oxo-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

851776-62-0

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851776-62-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851776-62-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,7,7 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 851776-62:
(8*8)+(7*5)+(6*1)+(5*7)+(4*7)+(3*6)+(2*6)+(1*2)=200
200 % 10 = 0
So 851776-62-0 is a valid CAS Registry Number.

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