25557-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25557-43-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,5 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25557-43:
(7*2)+(6*5)+(5*5)+(4*5)+(3*7)+(2*4)+(1*3)=121
121 % 10 = 1
So 25557-43-1 is a valid CAS Registry Number.
25557-43-1Relevant articles and documents
Preparation of N-[ω-(4-aryl-1-piperazinyl)ethyl/propyl]-3-hydroxyphthalimidines
Desai,Samant
, p. 455 - 457 (2007/10/03)
The reaction of ω-(4-aryl-1-piperizinyl)ethyl/propyl amine with 3-hydroxyphthalide furnishes the title compounds along with minor amounts of the corresponding N-[ω-(4-aryl-1-piperazinyl)ethyl/propyl]-2-formylbenzamides.