2,3,7,8,12,13,17,18-Octaethyl-5,10,15,20-tetranitroporphyrin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 96314-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,3,1 and 4 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 96314-15: (7*9)+(6*6)+(5*3)+(4*1)+(3*4)+(2*1)+(1*5)=137 137 % 10 = 7 So 96314-15-7 is a valid CAS Registry Number.