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Pyridine, 2-methyl-3-(4-nitrophenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

85504-30-9

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85504-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85504-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,0 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 85504-30:
(7*8)+(6*5)+(5*5)+(4*0)+(3*4)+(2*3)+(1*0)=129
129 % 10 = 9
So 85504-30-9 is a valid CAS Registry Number.

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