89863-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89863-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,6 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89863-40:
(7*8)+(6*9)+(5*8)+(4*6)+(3*3)+(2*4)+(1*0)=191
191 % 10 = 1
So 89863-40-1 is a valid CAS Registry Number.
89863-40-1Relevant academic research and scientific papers
DERIVATIVES OF 2-BENZAZEPINE-1,3-DIONE
Turkevich, N. M.,Sementsiv, G. N.
, p. 24 - 26 (2007/10/02)
The reaction of the di(acid chloride) of 2-carboxy-3,4-dimethoxyphenylthiopyruvic acid with 1-aminoadamantane and with thiosemicarbazide take place with the closure of a seven-membered ring and the formation of 1,2-dihydro-(3H)-2-benzazepine-1,3-dione.On
