185342-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185342-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,3,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 185342-16:
(8*1)+(7*8)+(6*5)+(5*3)+(4*4)+(3*2)+(2*1)+(1*6)=139
139 % 10 = 9
So 185342-16-9 is a valid CAS Registry Number.
185342-16-9Relevant articles and documents
Ruthenium-promoted diaryl ether synthesis in the construction of the F- O-G ring system of a teicoplanin model
Pearson, Anthony J.,Belmont, Philippe O.
, p. 1671 - 1675 (2007/10/03)
An end-game approach is described for the synthesis of glycopeptide antibiotics related to teicoplanin, using ruthenium-promoted diaryl ether formation, followed by cycloamidation. (C) 2000 Elsevier Science Ltd.