51256-60-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51256-60-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,5 and 6 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 51256-60:
(7*5)+(6*1)+(5*2)+(4*5)+(3*6)+(2*6)+(1*0)=101
101 % 10 = 1
So 51256-60-1 is a valid CAS Registry Number.
51256-60-1Relevant 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