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{Tc(CO)2{P(OC2H5)2C6H5}4}(1+)*ClO4(1-) = {Tc(CO)2{P(OC2H5)2C6H5}4}ClO4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55671-28-8

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55671-28-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55671-28-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,7 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55671-28:
(7*5)+(6*5)+(5*6)+(4*7)+(3*1)+(2*2)+(1*8)=138
138 % 10 = 8
So 55671-28-8 is a valid CAS Registry Number.

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