(1R,4S,4aS,8aR)-6,7-Bis-butylsulfanyl-1,4,4a,8a-tetrahydro-1,4-methano-naphthalene-5,8-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87294-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,9 and 4 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 87294-77: (7*8)+(6*7)+(5*2)+(4*9)+(3*4)+(2*7)+(1*7)=177 177 % 10 = 7 So 87294-77-7 is a valid CAS Registry Number.