80991-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80991-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80991-87:
(7*8)+(6*0)+(5*9)+(4*9)+(3*1)+(2*8)+(1*7)=163
163 % 10 = 3
So 80991-87-3 is a valid CAS Registry Number.
80991-87-3Relevant articles and documents
FEATURES OF THE REACTION OF PHTHALOYL CHLORIDE WITH PRIMARY AMINES
Ganin, E. V.,Makarov, V. F.,Rozynov, B. V.
, p. 1772 - 1777 (2007/10/02)
The reaction of phthaloyl chloride with primary amines, which leads to the formation of the N,N'-substituted diamides of phthalic acid, takes place through the intermediate formation of the N-substituted isophthalimides.The reactivity of these compounds i