7-tert-Butyl-15,17,18-trimethoxy-3,11-dithia-tricyclo[11.2.2.15,9]octadeca-1(16),5,7,9(18),13(17),14-hexaene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87207-25-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,0 and 7 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 87207-25: (7*8)+(6*7)+(5*2)+(4*0)+(3*7)+(2*2)+(1*5)=138 138 % 10 = 8 So 87207-25-8 is a valid CAS Registry Number.