(5aS,9aR,9bS)-9a-Hydroxy-2-oxo-3-phenylsulfanyl-4,5,6,7,8,9,9a,9b-octahydro-2H-naphtho[1,2-b]furan-5a-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 82891-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,9 and 1 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 82891-23: (7*8)+(6*2)+(5*8)+(4*9)+(3*1)+(2*2)+(1*3)=154 154 % 10 = 4 So 82891-23-4 is a valid CAS Registry Number.