159852-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159852-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,8,5 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 159852-41:
(8*1)+(7*5)+(6*9)+(5*8)+(4*5)+(3*2)+(2*4)+(1*1)=172
172 % 10 = 2
So 159852-41-2 is a valid CAS Registry Number.
159852-41-2Relevant academic research and scientific papers
A READY ENTRY TO SUBSTITUTED DERIVATIVES OF PYRIDOTHIENOPYRIDO-PYRIMIDINES, A NEW TETRAHETEROCYCLIC RING SYSTEM
Peinador, Carlos,Veiga, M. Carmen,Ojea, Vicente,Quintela, Jose M.
, p. 2065 - 2072 (2007/10/02)
Several 4-substituted pyridothienopyrido-pyrimidines (4) and (5) were prepared by reaction of an appropriate substituted thienodipyridine (2) and (dichloromethylene)dimethylammonium chloride.
