1257405-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1257405-71-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,4,0 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1257405-71:
(9*1)+(8*2)+(7*5)+(6*7)+(5*4)+(4*0)+(3*5)+(2*7)+(1*1)=152
152 % 10 = 2
So 1257405-71-2 is a valid CAS Registry Number.
1257405-71-2Relevant academic research and scientific papers
Stereoselective total synthesis of alkaloid caulophyllumine B using iterative olefin cross-metathesis protocol
Radha Krishna, Palakodety,Reddy, Bonepally Karunakar
scheme or table, p. 6262 - 6264 (2011/01/04)
Herein we report the first total synthesis of alkaloid caulophyllumine B in 14 steps by an iterative olefin cross-metathesis strategy from l-glutamic acid.
