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O-(methylthio)methylsenecic acid anhydride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157240-91-0

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157240-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157240-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,4 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157240-91:
(8*1)+(7*5)+(6*7)+(5*2)+(4*4)+(3*0)+(2*9)+(1*1)=130
130 % 10 = 0
So 157240-91-0 is a valid CAS Registry Number.

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