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{nickel(II)(2,3,7,8,12,13,17,18-octaethylporphyrin)}(1+) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74876-13-4

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74876-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74876-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,7 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74876-13:
(7*7)+(6*4)+(5*8)+(4*7)+(3*6)+(2*1)+(1*3)=164
164 % 10 = 4
So 74876-13-4 is a valid CAS Registry Number.

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