(2R,3S,4S,5R,6R,7S,8R,9R,10S)-3,5,7,9-Tetramethyl-1,11-bis-trityloxy-undecane-2,4,6,8,10-pentaol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 85067-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,0,6 and 7 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 85067-70: (7*8)+(6*5)+(5*0)+(4*6)+(3*7)+(2*7)+(1*0)=145 145 % 10 = 5 So 85067-70-5 is a valid CAS Registry Number.