94509-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94509-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,5,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 94509-67:
(7*9)+(6*4)+(5*5)+(4*0)+(3*9)+(2*6)+(1*7)=158
158 % 10 = 8
So 94509-67-8 is a valid CAS Registry Number.
94509-67-8Relevant articles and documents
REACTION OF AROMATIC o-DIAMINES WITH ISATINS. 2. 2,3-DIAMINONAPHTHALENE
Drushlyak, A. G.,Ivashchenko, A. V.,Titov, V. V.
, p. 1155 - 1159 (2007/10/02)
The reaction of 2,3-diaminonaphthalene with isatins gives a mixture of idolobenzoquinoxalines, 3-(2-aminophenyl)-2(1H)-benzoquinoxalines, and spiro(2,3-d>imidazoline)-2,3'-indolin-2'ones.The ratio between the products is influenced by the sol
