131354-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131354-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,5 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131354-27:
(8*1)+(7*3)+(6*1)+(5*3)+(4*5)+(3*4)+(2*2)+(1*7)=93
93 % 10 = 3
So 131354-27-3 is a valid CAS Registry Number.
131354-27-3Relevant articles and documents
2-Phosphaindolizines
Bansal, Raj K.,Karaghiosoff, Konstantin,Gupta, Neelima,Schmidpeter, Alfred,Spindler, Claudia
, p. 475 - 480 (2007/10/02)
Pyridinium bromides 3 prepared by alkylation of 2-methyl-, 2-ethyl-, and 2-benzylpyridines 1 with methyl bromides 2 bearing an electron-withdrawing group (COPh, CN, CO2Et, C6H4NO2) are condensed with PCl3 in the presence of Et3N to give 2-phosphaindolizin
