64341-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64341-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,4 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64341-54:
(7*6)+(6*4)+(5*3)+(4*4)+(3*1)+(2*5)+(1*4)=114
114 % 10 = 4
So 64341-54-4 is a valid CAS Registry Number.
64341-54-4Relevant articles and documents
Total Synthesis of &β-Lactamase Inhibitors based on the 4-Oxa-1-azabicycloheptan-7-one Ring System
Bentley, Peter H.,Hunt, Eric
, p. 2222 - 2227 (2007/10/02)
4-(2-Bromoethoxy)azetidin-2-one (4), 4-(1,3-dibromoisopropoxy)azetidin-2-one (5), 4-(1-benzyloxy-3-chloroisopropoxy)azetidin-2-one (6), 4-azetidin-2-one (7), and 4-azetidin-2-one (8) have been s