109391-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109391-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109391-87:
(8*1)+(7*0)+(6*9)+(5*3)+(4*9)+(3*1)+(2*8)+(1*7)=139
139 % 10 = 9
So 109391-87-9 is a valid CAS Registry Number.
109391-87-9Relevant articles and documents
HYDROLYTIC SELENOXIDE ELIMINATION REACTION FOR THE PREPARATION OF 2-CHLORO-1-OLEFINS
Engman, Lars
, p. 1463 - 1466 (2007/10/02)
2-Chloro-1-olefins were synthesized in a regiocontrolled way from terminal olefins by a sequence involving Markownikoff-addition of PhSeCl, chlorination of the resulting β-chloroalkyl phenyl selenides with SO2Cl2 and, after recrystallization, hydrolysis/s
