77250-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77250-88-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,5 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77250-88:
(7*7)+(6*7)+(5*2)+(4*5)+(3*0)+(2*8)+(1*8)=145
145 % 10 = 5
So 77250-88-5 is a valid CAS Registry Number.
77250-88-5Relevant academic research and scientific papers
AMINO- AND THIOMETHYLENATION OF MALEIMIDES
Abramovitch, Rudolph A.,Floch, Lubomir
, p. 391 - 394 (2007/10/02)
Reaction of pyridinium p-toluenesulfonylmethylide with N-substituted maleimides in the presence of primary or secondary amines gives aminomethylenesuccinimides (4).The geometry of these enamines is presented.In one case, the E- and Z-isomers have been sep
