142670-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142670-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,7 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142670-89:
(8*1)+(7*4)+(6*2)+(5*6)+(4*7)+(3*0)+(2*8)+(1*9)=131
131 % 10 = 1
So 142670-89-1 is a valid CAS Registry Number.
142670-89-1Relevant articles and documents
SYNTHESE DE N-ALKYL-3-ARYL-2-DIPHENYLPHOSPHINOYL-1H-PYRIDOTHIAZINES
Couture, Axel,Deniau, Eric,Crandclaudon, Pierre
, p. 91 - 98 (2007/10/02)
A variete of N-alkyl-3-aryl-2-diphenylphosphinoyl-1H-pyridothiazines has been efficiently synthesized by treatment of the anion of 3-(N-alkyl-N-diphenylphosphinoylmethylamino)-2-chloro or -2,6-dichloropyridines with the appropriate aromatic O-
