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(η(5)-cyclo-C6H7)Co(Cy2P(CH2)3PCy2) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

215717-74-1

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215717-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215717-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,7,1 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 215717-74:
(8*2)+(7*1)+(6*5)+(5*7)+(4*1)+(3*7)+(2*7)+(1*4)=131
131 % 10 = 1
So 215717-74-1 is a valid CAS Registry Number.

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