74833-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74833-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,3 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74833-49:
(7*7)+(6*4)+(5*8)+(4*3)+(3*3)+(2*4)+(1*9)=151
151 % 10 = 1
So 74833-49-1 is a valid CAS Registry Number.
74833-49-1Relevant articles and documents
Preparation and Chromogenic Properties of Semicarbazones Containing the Ferroin Group
Case, Francis H.,Schilt, Alfred A.
, p. 404 - 405 (1980)
The syntheses of a series of semicarbazones containing the ferroin group and their chromogenic reactions with iron, copper, cobalt, and nickel ions are described.