4-(2-chloro-phenyl)-2,9-dimethyl-2,4-dihydro-6H-[1,2,3]triazolo[4,5-e][1,2,4]triazolo[3,4-c][1,4]oxazepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 68221-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 68221-43: (7*6)+(6*8)+(5*2)+(4*2)+(3*1)+(2*4)+(1*3)=122 122 % 10 = 2 So 68221-43-2 is a valid CAS Registry Number.