61439-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61439-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,4,3 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61439-89:
(7*6)+(6*1)+(5*4)+(4*3)+(3*9)+(2*8)+(1*9)=132
132 % 10 = 2
So 61439-89-2 is a valid CAS Registry Number.
61439-89-2Relevant academic research and scientific papers
Benzocycloheptene-2-acetic acids
-
, (2008/06/13)
This invention provides new compounds of formula I, STR1 wherein R1 is hydrogen or alkyl of 1 or 2 carbon atoms; R2 is hydrogen or halogen of atomic number from 9 to 35; A. I. each of R3 and R4 is hydrogen, or I