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Copper, bis[2-[(4-chlorophenyl)azo]-2-methylphenolato]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89710-98-5

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89710-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89710-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,1 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89710-98:
(7*8)+(6*9)+(5*7)+(4*1)+(3*0)+(2*9)+(1*8)=175
175 % 10 = 5
So 89710-98-5 is a valid CAS Registry Number.

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