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Ethyl-phenyl-(2-triethylstannanyl-ethyl)-phosphane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57740-93-9

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57740-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57740-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,4 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57740-93:
(7*5)+(6*7)+(5*7)+(4*4)+(3*0)+(2*9)+(1*3)=149
149 % 10 = 9
So 57740-93-9 is a valid CAS Registry Number.

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