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1-Ethylcyclopentadienyl-1,3-cyclohexadieneiridium(I), 99% (99.9%-Ir) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

721427-58-3

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721427-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 721427-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,1,4,2 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 721427-58:
(8*7)+(7*2)+(6*1)+(5*4)+(4*2)+(3*7)+(2*5)+(1*8)=143
143 % 10 = 3
So 721427-58-3 is a valid CAS Registry Number.

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