(1R,2R,4aR)-2-(1-Bromo-vinyl)-4a,8-dimethyl-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 78638-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,3 and 8 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 78638-29: (7*7)+(6*8)+(5*6)+(4*3)+(3*8)+(2*2)+(1*9)=176 176 % 10 = 6 So 78638-29-6 is a valid CAS Registry Number.