128091-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128091-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,9 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128091-22:
(8*1)+(7*2)+(6*8)+(5*0)+(4*9)+(3*1)+(2*2)+(1*2)=115
115 % 10 = 5
So 128091-22-5 is a valid CAS Registry Number.
128091-22-5Relevant academic research and scientific papers
Evidence for the rearrangement of P-chloro-phosphirenium ions to P-vinyl-phosphenium ions
Weissman, Steven A.,Baxter
, p. 819 - 822 (2007/10/02)
The formation of 1 -diisopropylamino-2,3-diphenyl- 1-(2-chloro- 1,2-diphenylvinyl)phosphirenium ion (2), is postulated to proceed via the rearrangement of a P-chloro-phosphirenium ion to a P-vinyl-phosphenium ion.
