1,3,5-Trinitro-benzene; compound with 2,3,4,6,7,8,9,10-octahydro-pyrimido[1,2-a]azepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 130540-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,5,4 and 0 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 130540-78: (8*1)+(7*3)+(6*0)+(5*5)+(4*4)+(3*0)+(2*7)+(1*8)=92 92 % 10 = 2 So 130540-78-2 is a valid CAS Registry Number.