853774-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 853774-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,7,7 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 853774-68:
(8*8)+(7*5)+(6*3)+(5*7)+(4*7)+(3*4)+(2*6)+(1*8)=212
212 % 10 = 2
So 853774-68-2 is a valid CAS Registry Number.
853774-68-2Relevant articles and documents
New pyrazolo[1′,5′:1,6]pyrimido[4,5-d]pyridazin-4(3H)-ones as potent and selective PDE5 inhibitors
Feixas, Joan,Giovannoni, Maria Paola,Vergelli, Claudia,Gavalda, Amadeu,Cesari, Nicoletta,Graziano, Alessia,Dal Piaz, Vittorio
, p. 2381 - 2384 (2005)
A series of potent PDE5 inhibitors with high selectivity versus PDE6 isoenzymes was identified.