77022-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77022-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,2 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77022-33:
(7*7)+(6*7)+(5*0)+(4*2)+(3*2)+(2*3)+(1*3)=114
114 % 10 = 4
So 77022-33-4 is a valid CAS Registry Number.
77022-33-4Relevant academic research and scientific papers
FORMATION OF 3,5-DICYANO-4-(N,N-DIMETHYLFORMAMIDINO)-2,6-DIPHENYL-4H-PYRAN FROM ω-CYANOACETOPHENONE
Morimura, Syoji
, p. 1449 - 1454 (2007/10/02)
A 4H-pyran derivative, 3,5-dicyano-4-(N,N-dimethylformamidino)-2,6-diphenyl-4H-pyran (9) was obtained by the reaction of dimethylammonium chloride (5) with ω-cyanoacetophenone (8).
