192328-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 192328-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,3,2 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 192328-54:
(8*1)+(7*9)+(6*2)+(5*3)+(4*2)+(3*8)+(2*5)+(1*4)=144
144 % 10 = 4
So 192328-54-4 is a valid CAS Registry Number.
192328-54-4Relevant articles and documents
Synthesis of the vancomycin CD and DE ring systems
Boger, Dale L.,Borzilleri, Robert M.,Nukui, Seiji,Beresis, Richard T.
, p. 4721 - 4736 (2007/10/03)
Full details of the synthesis of the fully substituted vancomycin CD and DE ring systems are described and a potential solution to the control of the atropisomer stereochemistry is defined.