71901-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71901-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,0 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71901-17:
(7*7)+(6*1)+(5*9)+(4*0)+(3*1)+(2*1)+(1*7)=112
112 % 10 = 2
So 71901-17-2 is a valid CAS Registry Number.
71901-17-2Relevant articles and documents
Synthesis and Structure of Dithioester Stabilized Pyridinium Ylides
Alvarez-Builla, J.,Galvez, E.,Cuadro, A. M.,Florencio F.,Blanco, S. Garcia
, p. 917 - 926 (2007/10/02)
An improved procedure to prepare dithioester stabilized pyridinium ylides is described.The structure of the products is discussed.