(4aR)-4aα,5,6,7,7aβ,8,8aβ,8bα-Octahydro-1,8,8-trimethyl-5-methylene-4H-cyclopropa[3,4]cyclohepta[1,2-c]pyran-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67779-72-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,7 and 9 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 67779-72: (7*6)+(6*7)+(5*7)+(4*7)+(3*9)+(2*7)+(1*2)=190 190 % 10 = 0 So 67779-72-0 is a valid CAS Registry Number.