75822-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75822-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,2 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75822-43:
(7*7)+(6*5)+(5*8)+(4*2)+(3*2)+(2*4)+(1*3)=144
144 % 10 = 4
So 75822-43-4 is a valid CAS Registry Number.
75822-43-4Relevant articles and documents
N-alkylation of trimethylsilyl derivatives of isatin with halomethyl ketones
Rekhter
, p. 1165 - 1166 (1999)
Trimethylsilyl derivative of isatin react with halomethyl ketones at the nitrogen atom in contrast to sodium salt of isatin, which reacts with these compounds at heterocyclic carbon atom. 1999 KluwerAcademic/Plenum Publishers.