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Cr(CO)5(phenyl-4-carbaldehydediphenyphosphine) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166820-75-3

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166820-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166820-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,8,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166820-75:
(8*1)+(7*6)+(6*6)+(5*8)+(4*2)+(3*0)+(2*7)+(1*5)=153
153 % 10 = 3
So 166820-75-3 is a valid CAS Registry Number.

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