127780-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127780-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,8 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127780-52:
(8*1)+(7*2)+(6*7)+(5*7)+(4*8)+(3*0)+(2*5)+(1*2)=143
143 % 10 = 3
So 127780-52-3 is a valid CAS Registry Number.
127780-52-3Relevant articles and documents
Synthesis, anti-hypertensive and β-adrenoreceptor antagonist activities of 3--phenyl>-4(3H) quinazolones
Botros, Samir,Saad, Samir F.
, p. 585 - 590 (2007/10/02)
The synthesis of seven 2-substituted 3--phenyl>-4(3H)quinazolones is described.Pharmacological tests showed that some of the synthesized compounds (3a-c and 3e) possessed pronounced and sustained hypotensive effects,