(1S,2S,4aS,8aR)-(-)-1,2,3,4,4a,7,8,8a-octahydro-1-(hydroxymethyl)-4a-methyl-2-naphthalenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 117439-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 117439-23: (8*1)+(7*1)+(6*7)+(5*4)+(4*3)+(3*9)+(2*2)+(1*3)=123 123 % 10 = 3 So 117439-23-3 is a valid CAS Registry Number.