519176-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 519176-16-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,9,1,7 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 519176-16:
(8*5)+(7*1)+(6*9)+(5*1)+(4*7)+(3*6)+(2*1)+(1*6)=160
160 % 10 = 0
So 519176-16-0 is a valid CAS Registry Number.
519176-16-0Relevant articles and documents
Synthesis of new cryptands starting from trans (diprotected and disubstituted) 1,4,7,10-tetraazacyclododecane
Mouaziz,Montembault,Soutif,Brosse
, p. 3763 - 3766 (2002)
New cryptands are synthesised by aminolysis between 1,7- di(ethylacetate)-4,10-di(tosyl)-1,4,7,10-tetraazacyclododecane and various diamines.
