106550-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106550-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,5,5 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106550-91:
(8*1)+(7*0)+(6*6)+(5*5)+(4*5)+(3*0)+(2*9)+(1*1)=108
108 % 10 = 8
So 106550-91-8 is a valid CAS Registry Number.
106550-91-8Relevant articles and documents
Synthesis of Heterocyclic Compounds Incorporating 4-Aminostilbene
Varma, Rajendra S.,Chatterjee, Devesh
, p. 1039 - 1042 (2007/10/02)
Different benzazoles undergo Mannich reaction with 4-aminostilbene (II), while 5-substituted isatins and N-methylisatins on condensation with II give 4-(2-oxo-3-indolinylidenimino)stilbenes (V) and 4-(1-methyl-2-oxo-3-indolinylidenimino)stilbenes (VI), re
