128652-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128652-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,5 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128652-19:
(8*1)+(7*2)+(6*8)+(5*6)+(4*5)+(3*2)+(2*1)+(1*9)=137
137 % 10 = 7
So 128652-19-7 is a valid CAS Registry Number.
128652-19-7Relevant academic research and scientific papers
Synthesis of Functionally Substituted 1,3-Diaza-1,3-butadienes
Mazumdar, S. N.,Mahajan, M. P.
, p. 417 - 419 (2007/10/02)
Three methods for the synthesis of various stable 1,3-diaza-1,3-butadienes from easily available thiourea derivatives are reported.
