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Thiophosphoric acid O-(4-methanesulfonyl-phenyl) ester O'-(2-methoxy-ethyl) ester O''-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28239-77-2

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28239-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28239-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,3 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28239-77:
(7*2)+(6*8)+(5*2)+(4*3)+(3*9)+(2*7)+(1*7)=132
132 % 10 = 2
So 28239-77-2 is a valid CAS Registry Number.

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