212515-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212515-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,5,1 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 212515-89:
(8*2)+(7*1)+(6*2)+(5*5)+(4*1)+(3*5)+(2*8)+(1*9)=104
104 % 10 = 4
So 212515-89-4 is a valid CAS Registry Number.
212515-89-4Relevant articles and documents
Coumarin 1,4-dihydropyridine derivatives
Valenti,Rampa,Budriesi,Bisi,Chiarini
, p. 803 - 810 (2007/10/03)
A series of 1,4-dihydropyridines bearing a coumarin moiety in 4-position was synthesized. The compounds were evaluated for inotropic, chronotropic and calcium antagonist activities. The replacement of the o-nitrophenyl moiety of nifedipine with a coumarin
