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1-(2-methyl-4-nitro-phenyl)-5-phenyl-1H-tetrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57761-76-9

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57761-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57761-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57761-76:
(7*5)+(6*7)+(5*7)+(4*6)+(3*1)+(2*7)+(1*6)=159
159 % 10 = 9
So 57761-76-9 is a valid CAS Registry Number.

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