Azelnidipine (INN; marketed under the brand name CalBlock — カルブロック) is a dihydropyridine calcium channel blocker. Azelnidipine is L and T calcium channel blocker. It is sold in Japan by Daiichi-Sankyo pharmaceuticals, Inc. Unlike nicardipine, it has a gradual onset and has a long-lasting antihypertensive effect, with little increase in heart rate. Drug Controller General Of India (DCGI) has approved the use of azelnipine in India. It is launched under the brand name Azusa (ajanta pharma ltd.)^[1] In 2020.

Azelnidipine

Clinical data
Trade names	CalBlock,AZUSA,Azovas
AHFS/Drugs.com	International Drug Names
Routes of administration	Oral
ATC code	none
Legal status
Legal status	In general: ℞ (Prescription only)
Identifiers
IUPAC name 3-1-Benzhydryl-3-azetidinyl 5-isopropyl 2-amino-6-methyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS Number	123524-52-7 N
PubChem CID	65948
ChemSpider	59352 Y
UNII	PV23P19YUG
KEGG	D01145 Y
ChEMBL	ChEMBL1275868 N
CompTox Dashboard (EPA)	DTXSID3020120
ECHA InfoCard	100.162.151
Chemical and physical data
Formula	C33H34N4O6
Molar mass	582.657 g·mol−1
3D model (JSmol)	Interactive image
SMILES [O-][N+](=O)c1cccc(c1)C5C(/C(=O)OC(C)C)=C(\NC(\N)=C5\C(=O)OC4CN(C(c2ccccc2)c3ccccc3)C4)C
InChI InChI=1S/C33H34N4O6/c1-20(2)42-32(38)27-21(3)35-31(34)29(28(27)24-15-10-16-25(17-24)37(40)41)33(39)43-26-18-36(19-26)30(22-11-6-4-7-12-22)23-13-8-5-9-14-23/h4-17,20,26,28,30,35H,18-19,34H2,1-3H3 Y Key:ZKFQEACEUNWPMT-UHFFFAOYSA-N Y
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