173383-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173383-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,8 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 173383-16:
(8*1)+(7*7)+(6*3)+(5*3)+(4*8)+(3*3)+(2*1)+(1*6)=139
139 % 10 = 9
So 173383-16-9 is a valid CAS Registry Number.
173383-16-9Relevant articles and documents
Synthetic Studies on Vancomycin: Synthesis of Seco-Aglucovancomycins
Nakamura, Kazuhiko,Nishiyama, Shigeru,Yamamura, Shosuke
, p. 8621 - 8624 (2007/10/02)
Preparation of the vancomycin analogs (SAV-1 and SAV-2) is described.The key step is construction of a bicyclic diaryl ether residue by means of thallium(III) oxidation of the corresponding halogenated phenols.