22129-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22129-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,2 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22129-45:
(7*2)+(6*2)+(5*1)+(4*2)+(3*9)+(2*4)+(1*5)=79
79 % 10 = 9
So 22129-45-9 is a valid CAS Registry Number.
22129-45-9Relevant academic research and scientific papers
3-SUBSTITUTED ISOCOUMARINS FROM PHTHALIDE-3-PHOSPHONATES. A NOVEL SYNTHESIS
Napolitano, Elio,Ramacciotti, Antonella
, p. 443 - 444 (2007/10/02)
The title transformation was carried out in two steps by C(3) acylation of the phosphonate reagent followed by reduction with zinc in acetic acid.
