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Thiophosphoric acid O-(2-ethoxy-1-methoxymethyl-ethyl) ester O'-ethyl ester O''-(4-methanesulfonyl-3-methyl-phenyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28253-74-9

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28253-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28253-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,5 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28253-74:
(7*2)+(6*8)+(5*2)+(4*5)+(3*3)+(2*7)+(1*4)=119
119 % 10 = 9
So 28253-74-9 is a valid CAS Registry Number.

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