Trifluoro-acetic acid (4bS,8aS)-2-isopropyl-4b,8,8-trimethyl-4b,5,6,7,8,8a,9,10-octahydro-phenanthren-1-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 853783-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,7,8 and 3 respectively; the second part has 2 digits, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 853783-80: (8*8)+(7*5)+(6*3)+(5*7)+(4*8)+(3*3)+(2*8)+(1*0)=209 209 % 10 = 9 So 853783-80-9 is a valid CAS Registry Number.