9,18-dibenzoyl-4b,4c,9,13b,13c,18-hexahydro-tetrabenzo[b,f,b',f']cyclobuta[1,2-d;3,4-d']bisazepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 41217-03-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,2,1 and 7 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 41217-03: (7*4)+(6*1)+(5*2)+(4*1)+(3*7)+(2*0)+(1*3)=72 72 % 10 = 2 So 41217-03-2 is a valid CAS Registry Number.