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3-[4-(2-Nitro-phenylsulfanyl)-phenyl]-2-[(E)-2-(4-nitro-phenyl)-vinyl]-3H-quinazolin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77915-91-4

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77915-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77915-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,1 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77915-91:
(7*7)+(6*7)+(5*9)+(4*1)+(3*5)+(2*9)+(1*1)=174
174 % 10 = 4
So 77915-91-4 is a valid CAS Registry Number.

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