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3-mercapto-benzo-as-triazine-1-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75121-89-0

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75121-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75121-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,2 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75121-89:
(7*7)+(6*5)+(5*1)+(4*2)+(3*1)+(2*8)+(1*9)=120
120 % 10 = 0
So 75121-89-0 is a valid CAS Registry Number.

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