Acetic acid (1R,2S,3R,4R,1'R,2'S,3'R,4'R)-3'-acetoxy-4,7,7,4',7',7'-hexamethyl-[2,2']bi[bicyclo[2.2.1]heptyl]-3-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 620945-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,9,4 and 5 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 620945-73: (8*6)+(7*2)+(6*0)+(5*9)+(4*4)+(3*5)+(2*7)+(1*3)=155 155 % 10 = 5 So 620945-73-5 is a valid CAS Registry Number.