229-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229-70-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,2 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 229-70:
(5*2)+(4*2)+(3*9)+(2*7)+(1*0)=59
59 % 10 = 9
So 229-70-9 is a valid CAS Registry Number.
229-70-9Relevant academic research and scientific papers
The Cyclization of N,N'-Bisisoquinoline and 3,8-Phenanthroline
Schwan, Thomas J.,Miles, Nelson J.
, p. 1351 - 1353 (2007/10/02)
The ring closure of N,N'-bis-p-xylene-α,α'-diamine dihydrochloride in fuming sulfuric acid has been investigated and the cyclization products have been identified as the linear pyridoisoquinoline as well as the previously reporte
