40303-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40303-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40303-19:
(7*4)+(6*0)+(5*3)+(4*0)+(3*3)+(2*1)+(1*9)=63
63 % 10 = 3
So 40303-19-3 is a valid CAS Registry Number.
40303-19-3Relevant articles and documents
NOVEL REACTIONS WITH TELLURIUM AND ORGANOTELLURIUM REAGENTS
Du Mont, W. -W.,Hensel, R.,Kubiniok, S.,Lange, L.,Severengiz, T.
, p. 85 - 96 (2007/10/02)
Novel reactions with elemental tellurium, organic ditellurides and diselenides and or reagents with Te-Li, Se-Li and Te-Si bonds are reviewed.These reagents have been used to prepare new molecules with Te-P, Se-P, Te-C, Te=C, Te-I and Se-I bonds.