620972-33-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 620972-33-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,9,7 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 620972-33:
(8*6)+(7*2)+(6*0)+(5*9)+(4*7)+(3*2)+(2*3)+(1*3)=150
150 % 10 = 0
So 620972-33-0 is a valid CAS Registry Number.
620972-33-0Relevant articles and documents
Trityl-directed regiospecific synthesis of 2,3-disubstituted bioimidazoles
Chandana, Pooja,Nayyar, Amit,Jain, Rahul
, p. 2925 - 2933 (2007/10/03)
We report an efficient trityl-directed regiospecific synthesis of 2,3-disubstituted-L-histdines and 2,3-disubstituted histamines starting from α-N-trifluoroacetyl-L-histidine methyl ester and α-N-trifluoroacetylhistamine respectively in five steps.
