1172602-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172602-43-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,6,0 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1172602-43:
(9*1)+(8*1)+(7*7)+(6*2)+(5*6)+(4*0)+(3*2)+(2*4)+(1*3)=125
125 % 10 = 5
So 1172602-43-5 is a valid CAS Registry Number.
1172602-43-5Relevant articles and documents
Convenient synthesis of 1,3-substituted-6-phenylpiperazin-2-ones
Gallicchio, Steven N.,Bell, Ian M.
scheme or table, p. 3817 - 3819 (2009/10/11)
The convenient preparation of novel 6-phenylpiperazin-2-ones from simple starting materials via a practical two-step procedure is presented. This methodology involves an initial alkylation of 2-bromoacetophenone with an amino ester followed by a one-pot r