11,12-dibromo-2,5,8-tris(p-tolylsulfonyl)2,33,4,5,6,7,8,9-octahydro-1H-2,5,8-benzotriazacycloundecine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 167277-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,2,7 and 7 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 167277-48: (8*1)+(7*6)+(6*7)+(5*2)+(4*7)+(3*7)+(2*4)+(1*8)=167 167 % 10 = 7 So 167277-48-7 is a valid CAS Registry Number.