87988-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87988-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,8 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87988-34:
(7*8)+(6*7)+(5*9)+(4*8)+(3*8)+(2*3)+(1*4)=209
209 % 10 = 9
So 87988-34-9 is a valid CAS Registry Number.
87988-34-9Relevant academic research and scientific papers
ZUR REAKTIONSWEISE VON CYCLOPROPENONEN MIT CYANMETHYLENPHOSPHORANEN
Eicher, Theophil,Sebold, Uwe,Stegmann, Ulrike
, p. 2977 - 2980 (2007/10/02)
Reaction of cyano substituted methylene triphenyl phosphoranes with cyclopropenones gives rise to pyrrolizinone phosphonium betaines, indolizine diones or phosphonium betaines of the azacyclopentadienone type.
