1240905-06-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240905-06-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,9,0 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1240905-06:
(9*1)+(8*2)+(7*4)+(6*0)+(5*9)+(4*0)+(3*5)+(2*0)+(1*6)=119
119 % 10 = 9
So 1240905-06-9 is a valid CAS Registry Number.
1240905-06-9Relevant academic research and scientific papers
Huang, Dan Feng,Wang, Hai Feng,Xu, Chang Ming,Niu, Teng,Hu, Yu Lai
, p. 511 - 514 (2010)
2,5-Disubstituted tetrahydrofurans were obtained from lactones and organozinc halides in moderate to high yield in the presence of Lewis acids.
