89057-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89057-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,5 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89057-52:
(7*8)+(6*9)+(5*0)+(4*5)+(3*7)+(2*5)+(1*2)=163
163 % 10 = 3
So 89057-52-3 is a valid CAS Registry Number.
89057-52-3Relevant articles and documents
DERIVATIVES OF 2-BENZAZEPINE-1,3-DIONE
Turkevich, N. M.,Sementsiv, G. N.
, p. 24 - 26 (1984)
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
