(3aRS,4SR,8SR,9aSR,9bRS)-2,3,3a,4,5,7,8,9,9a,9b-decahydro-3-oxo-4,8-dimethylnaphtho<1,8-bc>pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 99342-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,4 and 2 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 99342-52: (7*9)+(6*9)+(5*3)+(4*4)+(3*2)+(2*5)+(1*2)=166 166 % 10 = 6 So 99342-52-6 is a valid CAS Registry Number.