4,5-dibenzoyl-1,2,3,3a,4,5,5a,6,7,8-decahydro-dicyclopenta[c,e]pyridazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 119250-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,2,5 and 0 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 119250-50: (8*1)+(7*1)+(6*9)+(5*2)+(4*5)+(3*0)+(2*5)+(1*0)=109 109 % 10 = 9 So 119250-50-9 is a valid CAS Registry Number.