6,6,8c-trimethyl-(4ar,7ac)-4,4a,5,6,7,7a,8,9-octahydro-azuleno[5,6-c]furan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 54823-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,2 and 3 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 54823-74: (7*5)+(6*4)+(5*8)+(4*2)+(3*3)+(2*7)+(1*4)=134 134 % 10 = 4 So 54823-74-4 is a valid CAS Registry Number.