157670-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157670-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,7 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157670-25:
(8*1)+(7*5)+(6*7)+(5*6)+(4*7)+(3*0)+(2*2)+(1*5)=152
152 % 10 = 2
So 157670-25-2 is a valid CAS Registry Number.
157670-25-2Relevant academic research and scientific papers
The Total Synthesis of Epibatidine
Ko, Soo Y.,Lerpiniere, Joanne,Linney, Ian D.,Wrigglesworth, Roger
, p. 1775 - 1776 (2007/10/02)
The synthesis of the potent analgesic alkaloid epibatidine 1, employing as the key step a singlet oxygen reaction with 1-(2-chloro-5-pyridyl)cyclohexa-2,4-diene 2, is described.
