Ru(II)(2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetraphenylporphyrinato)(CO) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 186417-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,4,1 and 7 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 186417-62: (8*1)+(7*8)+(6*6)+(5*4)+(4*1)+(3*7)+(2*6)+(1*2)=159 159 % 10 = 9 So 186417-62-9 is a valid CAS Registry Number.