22446-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22446-43-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,4,4 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22446-43:
(7*2)+(6*2)+(5*4)+(4*4)+(3*6)+(2*4)+(1*3)=91
91 % 10 = 1
So 22446-43-1 is a valid CAS Registry Number.
22446-43-1Relevant articles and documents
A new efficient and mild synthesis of 2-oxindoles by one-pot Wolff-Kishner like reduction of isatin derivatives
Crestini,Saladino
, p. 2835 - 2841 (1994)
Indole-2-one derivatives were prepared from the corresponding isatines via one pot reduction in hydrazine hydrate.