69774-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69774-37-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,7 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 69774-37:
(7*6)+(6*9)+(5*7)+(4*7)+(3*4)+(2*3)+(1*7)=184
184 % 10 = 4
So 69774-37-4 is a valid CAS Registry Number.
69774-37-4Relevant articles and documents
Bis(aminoneopentyl) aromatics
-
, (2008/06/13)
Aromatic-aliphatic diamines of the formula STR1 in which Ar is an arylene or substituted arylene are useful in preparing thermally stable, rigid, polyamides, polyureas and polyurethanes having a repeating unit of the formula STR2 in which Ar is arylene or substituted arylene, X is --NH-- or --O--, n is 0 or 1, and R is a divalent organic radical.