3131-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3131-43-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,3 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3131-43:
(6*3)+(5*1)+(4*3)+(3*1)+(2*4)+(1*3)=49
49 % 10 = 9
So 3131-43-9 is a valid CAS Registry Number.
3131-43-9Relevant academic research and scientific papers
Synthesis of 6,7-dimethoxy-1-[(halophenoxy)methyl]-1,2,3,4- tetrahydroisoquinolines
Cho, Su-Dong,Kim, Sung-Kyu,Chung, Hyun-A.,Kang, Young-Jin,Yoon, Yong-Jin
, p. 75 - 80 (2007/10/03)
Some 6,7-dimethoxy-1-[(halophenoxy)methyl]-1,2,3,4- tetrahydroisoquinolines were synthesized from N-[2-(3,4- dimethoxyphenyl)ethyl]-2-chloroacetamide via three steps in good yield.
