82805-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82805-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,0 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82805-91:
(7*8)+(6*2)+(5*8)+(4*0)+(3*5)+(2*9)+(1*1)=142
142 % 10 = 2
So 82805-91-2 is a valid CAS Registry Number.
82805-91-2Relevant articles and documents
Mannich Bases, XIX: Mannich Reactions with 1-Naphthol and Primary Amines
Moehrle, Hans,Troester, Kristina
, p. 619 - 630 (1982)
Under conventional Mannich conditions primary amines rarely react with 1-naphthol to yield uniform products.The hydrochlorides partly give methylene linked derivatives.However, mono- and disubstituted Mannich bases are formed from azomethines of tert.-alk