74894-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74894-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74894-91:
(7*7)+(6*4)+(5*8)+(4*9)+(3*4)+(2*9)+(1*1)=180
180 % 10 = 0
So 74894-91-0 is a valid CAS Registry Number.
74894-91-0Relevant academic research and scientific papers
(2-QUINOXALINON-3-YL)GLYOXAL DERIVATIVES FROM L-ASCORBIC ACID
Ashry, El Sayed H. El,Nassr, Mahmoud M.,Shoukry, Mahmoud
, p. 79 - 84 (2007/10/02)
Reaction of dehydro-L-ascorbic acid with o-phenylenediamine, followed by aroylhydrazines, gave 3--2-quinoxalinones which, upon periodate oxidation, gave 3--2-quinoxalinones.
