rel-(1R,3aS,7R,7aS)-1-<2-Hydroxy-1(S)-methylethyl>-1,2,3,6,7,7a-hexahydro-7,3a-(epoxymethano)-3aH-inden-9-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 99474-53-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,7 and 4 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 99474-53: (7*9)+(6*9)+(5*4)+(4*7)+(3*4)+(2*5)+(1*3)=190 190 % 10 = 0 So 99474-53-0 is a valid CAS Registry Number.