(1aS,2R,7aS,7bS)-3,3,5,7b-Tetramethyl-1a,2,3,4,6,7,7a,7b-octahydro-1H-cyclopropa[e]azulen-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 74033-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,3 and 3 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 74033-99: (7*7)+(6*4)+(5*0)+(4*3)+(3*3)+(2*9)+(1*9)=121 121 % 10 = 1 So 74033-99-1 is a valid CAS Registry Number.