83380-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83380-54-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83380-54:
(7*8)+(6*3)+(5*3)+(4*8)+(3*0)+(2*5)+(1*4)=135
135 % 10 = 5
So 83380-54-5 is a valid CAS Registry Number.
83380-54-5Relevant academic research and scientific papers
REACTION OF 2-ARYLAZO-2,5-DIMETHYL-3(2H)-FURANONES WITH AMMONIA. PREPARATION OF β-ACETYL-β-(3-AMINO-2-BUTENOYL)ARYLHYDRAZINES.
Venturello, Carlo,D'Aloisio, Rino
, p. 2895 - 2898 (2007/10/02)
Ring opening of 2-arylazo-2,5-dimethyl-3(2H)-furanones (1a-d) with ammonia leads to previously unknown β-acetyl-β-(3-amino-2-butenoyl)arylhydrazines (3a-d).The reaction mechanism is discussed.
