4-Methoxy-thiobenzoic acid S-((2R,6R,11R)-3,6,11-trimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocin-8-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 71780-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,8 and 0 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 71780-71: (7*7)+(6*1)+(5*7)+(4*8)+(3*0)+(2*7)+(1*1)=137 137 % 10 = 7 So 71780-71-7 is a valid CAS Registry Number.