82104-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82104-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,0 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82104-67:
(7*8)+(6*2)+(5*1)+(4*0)+(3*4)+(2*6)+(1*7)=104
104 % 10 = 4
So 82104-67-4 is a valid CAS Registry Number.
82104-67-4Relevant articles and documents
Monothio- and Dithio-phthalimides: Synthesis of Dibromo-β-isoindigo Derivatives
El-Sharief, A. M. Sh.,Hammad, N.E.
, p. 1039 - 1042 (2007/10/02)
5-Bromo-3-oxo-1-thio- and 5-bromo-1,3-dithio-isoindoles (II and III) on reaction with amines either in acetic acid or under fusion give 2-aryl-1-arylimino-5-bromo-3-isoindolines (VI) and substituted 1-arylimino-5-bromo-3-thioisoindoles (VIII), respectivel