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CoI(P(C6H5)(OCH3)2)4(1+)*B(C6H5)4(1-)=[CoI(P(C6H5)(OCH3)2)4]B(C6H5)4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73169-72-9

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73169-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73169-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,6 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73169-72:
(7*7)+(6*3)+(5*1)+(4*6)+(3*9)+(2*7)+(1*2)=139
139 % 10 = 9
So 73169-72-9 is a valid CAS Registry Number.

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