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3-Nitro-thiopropionic acid S-p-tolyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56570-71-9

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56570-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56570-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,7 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56570-71:
(7*5)+(6*6)+(5*5)+(4*7)+(3*0)+(2*7)+(1*1)=139
139 % 10 = 9
So 56570-71-9 is a valid CAS Registry Number.

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