74478-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74478-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,7 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74478-33:
(7*7)+(6*4)+(5*4)+(4*7)+(3*8)+(2*3)+(1*3)=154
154 % 10 = 4
So 74478-33-4 is a valid CAS Registry Number.
74478-33-4Relevant articles and documents
Reduction of Schiff's Bases and Phenylhydrazones by Zinc Dust
Khan, Naseem H.,Zuberi, Rashid H.,Siddiqui, Amin A.
, p. 363 - 372 (2007/10/02)
Schiff's bases when subjected to the chemical action of zinc dust and chloroform in ethyl alcohol at steam bath temperature for varying times yield 1,2-diaminophenylethanes in crystalline form and in good yield (Table 1).
