19432-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19432-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19432-40:
(7*1)+(6*9)+(5*4)+(4*3)+(3*2)+(2*4)+(1*0)=107
107 % 10 = 7
So 19432-40-7 is a valid CAS Registry Number.
19432-40-7Relevant articles and documents
Reactions with Phosphine Alkylenes, XLI. Resolution of Chiral Phosphonium Salts
Bestmann, Hans Juergen,Lienert, Juergen,Heid, Eckard
, p. 3875 - 3879 (2007/10/02)
The preparation and resolution of chiral phosphonium salts 1a - c via the corresponding phosphonium ylides is described.
