(3aS,4S,5S,7aS)-2,2,4-trimethyl-3a,4,5,7a-tetrahydro-1,3-benzodioxole-4,5-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 231949-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,9,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 231949-53: (8*2)+(7*3)+(6*1)+(5*9)+(4*4)+(3*9)+(2*5)+(1*3)=144 144 % 10 = 4 So 231949-53-4 is a valid CAS Registry Number.