344251-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344251-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,5 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 344251-34:
(8*3)+(7*4)+(6*4)+(5*2)+(4*5)+(3*1)+(2*3)+(1*4)=119
119 % 10 = 9
So 344251-34-9 is a valid CAS Registry Number.
344251-34-9Relevant articles and documents
Synthesis of β-Nitroalkenyl-benzylphosphorylderivatives
Czekanski, T.,Witek, St.,Costisella, B.,Gross, H.
, p. 353 - 359 (2007/10/02)
Starting from methoxy-chlormethylbenzaldehydes 2 the benzylphosphonates and -phosphinoxides 3A, B had been synthesized, which could be transformed via the Schiff-bases 4A, B to phosphorylated nitrostyrenes 5A, B and nitropropenylbenzenederivatives 6A, B.T
