142731-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142731-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142731-05:
(8*1)+(7*4)+(6*2)+(5*7)+(4*3)+(3*1)+(2*0)+(1*5)=103
103 % 10 = 3
So 142731-05-3 is a valid CAS Registry Number.
142731-05-3Relevant articles and documents
Negative inotropic and chronotropic activity of calcium channel ligands possessing a xanthone 1,4-dihydropyridine backbone
Chiarini,Rampa,Bisi,Budriesi,Valenti
, p. 797 - 801 (2007/10/02)
A series of xanthone 1,4-dihydropyridine derivatives were prepared. The compounds were evaluated for inotropic, chronotropic, and calcium antagonist properties.
