66997-60-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66997-60-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,9 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66997-60:
(7*6)+(6*6)+(5*9)+(4*9)+(3*7)+(2*6)+(1*0)=192
192 % 10 = 2
So 66997-60-2 is a valid CAS Registry Number.
66997-60-2Relevant articles and documents
(R)- AND (S)-2-ACETOXY-1,1,2-TRIPHENYLETHANOL - EFFECTIVE SYNTHETIC EQUIVALENTS OF A CHIRAL ACETATE ENOLATE
Braun, Manfred,Devant, Ralf
, p. 5031 - 5034 (2007/10/02)
The enolate 3, easily available by double deprotonation of (R)-2-acetoxy-1,1,2-triphenylethanol (5), adds in a highly stereoselective manner to aldehides.Hydrolysis of the adducts 6/7 affods the acids 2.