Acetic acid (1S,4R,4aS,5R,6R,8aR)-8-oxo-6-vinyl-1,4,4a,5,6,7,8,8a-octahydro-1,4-methano-naphthalen-5-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 148903-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,9,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 148903-04: (8*1)+(7*4)+(6*8)+(5*9)+(4*0)+(3*3)+(2*0)+(1*4)=142 142 % 10 = 2 So 148903-04-2 is a valid CAS Registry Number.