74304-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74304-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,0 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74304-63:
(7*7)+(6*4)+(5*3)+(4*0)+(3*4)+(2*6)+(1*3)=115
115 % 10 = 5
So 74304-63-5 is a valid CAS Registry Number.
74304-63-5Relevant articles and documents
SELECTIVE MONO O-ALKYLATION OF γ-RESORCYLYC ESTERS
Bass, R. J.,Banks, B. J.,Snarey, M.
, p. 769 - 770 (2007/10/02)
The use of diethylazodicarboxylate/triphenylphosphine for the selective mono-O-alkylation of γ-resorcylic esters is described.