6,12-dichloro-1,2,3,4,7,8,9,10-octahydro-dibenzo[d,d']benzo[1,2-b;4,5-b']dithiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 109508-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,0 and 8 respectively; the second part has 2 digits, 9 and 5 respectively. Calculate Digit Verification of CAS Registry Number 109508-95: (8*1)+(7*0)+(6*9)+(5*5)+(4*0)+(3*8)+(2*9)+(1*5)=134 134 % 10 = 4 So 109508-95-4 is a valid CAS Registry Number.