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Ripasudil

CAS No.
223645-67-8
Chemical Name:
Ripasudil
Synonyms
CS-1564;Ripasudil;k115 free base;K-115, Ripasudil;RIPASUDIL HYDROCHLOIDE;RIPASUDIL FREE BASE;K 115 FREE BASE;K115 FREE BASE;(S)-4-Fluoro-5-((2-methyl-1,4-diazepan-1-yl)sulfonyl)isoquinoline;4-Fluoro-5-[[(2S)-hexahydro-2-methyl-1H-1,4-diazepin-1-yl]sulfonyl]isoquinoline;Isoquinoline, 4-fluoro-5-[[(2S)-hexahydro-2-methyl-1H-1,4-diazepin-1-yl]sulfonyl]-
CBNumber:
CB92722374
Molecular Formula:
C15H18FN3O2S
Molecular Weight:
323.39
MDL Number:
MFCD28291829
MOL File:
223645-67-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:33
Product description Number Pack Size Price
K-115 CSN16953 5mg $154
K-115freebase 98+% CD31002611 250mg $515
K-115 CSN16953 25mg $557
(S)-4-fluoro-5-((2-methyl-1,4-diazepan-1-yl)sulfonyl)isoquinoline 98% CM146182 100mg $880
K-115freebase 98+% CD31002611 1g $1290
More product size

Ripasudil Properties

Boiling point 497.2±55.0 °C(Predicted)
Density 1.293±0.06 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
solubility Soluble in DMSO
pka 9.70±0.40(Predicted)
form powder
color white to beige
Water Solubility H2O: 2mg/mL, clear
InChI 1S/C15H18FN3O2S/c1-11-8-17-6-3-7-19(11)22(20,21)14-5-2-4-12-9-18-10-13(16)15(12)14/h2,4-5,9-11,17H,3,6-8H2,1H3/t11-/m0/s1
InChIKey QSKQVZWVLOIIEV-NSHDSACASA-N
SMILES Fc1c2c(cnc1)cccc2[S](=O)(=O)N3[C@H](CNCCC3)C
FDA UNII 11978226XX
UNSPSC Code 12352200
NACRES NA.77

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
WGK Germany  WGK 3
Storage Class 11 - Combustible Solids

Ripasudil price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
CSNpharm CSN16953 K-115 223645-67-8 5mg $154 2021-12-16 Buy
Crysdot CD31002611 K-115freebase 98+% 223645-67-8 250mg $515 2021-12-16 Buy
CSNpharm CSN16953 K-115 223645-67-8 25mg $557 2021-12-16 Buy
Chemenu CM146182 (S)-4-fluoro-5-((2-methyl-1,4-diazepan-1-yl)sulfonyl)isoquinoline 98% 223645-67-8 100mg $880 2021-12-16 Buy
Crysdot CD31002611 K-115freebase 98+% 223645-67-8 1g $1290 2021-12-16 Buy
Product number Packaging Price Buy
CSN16953 5mg $154 Buy
CD31002611 250mg $515 Buy
CSN16953 25mg $557 Buy
CM146182 100mg $880 Buy
CD31002611 1g $1290 Buy

Ripasudil Chemical Properties,Uses,Production

Description

Ripasudil (Glanatec TM, Kowa Pharmaceutical), a close derivative of fasudil, is another Rho kinase inhibitor approved in Japan at the end of 2014 for the treatment of glaucoma and ocular hypertensionwhen other therapeutic agents are not effective or cannot be administered. Additionally, ripasudil has been tested in diabetic retinopathy clinical trials and shown to promote corneal endothelial cell proliferation, endothelium regeneration, and wound healing.

Uses

Ripasudil free base (K-115 free base) is a specific inhibitor of ROCK, with IC50s of 19 and 51 nM for ROCK2 and ROCK1, respectively.

Definition

ChEBI: Ripasudil is a member of isoquinolines.

in vivo

Ripasudil (K-115) reduces intraocular pressure (IOP) in a concentration-dependent manner at concentrations between 0.1% and 0.4% in monkey eyes and 0.0625% to 0.5% in rabbit eyes, respectively[1]. Ripasudil (K-115; 1 mg/kg, p.o. daily) shows a neuroprotective effect on retinal ganglion cells (RGCs) after nerve crush (NC). Ripasudil also inhibits the oxidative stress induced by axonal injury in mice. Ripasudil suppresses the time-dependent production of ROS in RGCs after NC injury[3].

IC 50

ROCK2: 19 nM (IC50); ROCK1: 51 nM (IC50); CaMKIIa: 370 nM (IC50); PKACa: 2.1 μM (IC50); PKC: 27 μM (IC50)

References

[1] Isobe T, et al. Effects of K-115, a rho-kinase inhibitor, on aqueous humor dynamics in rabbits. Curr Eye Res. 2014 Aug;39(8):813-22. DOI:10.3109/02713683.2013.874444
[2] Kaneko Y, et al. Effects of K-115 (Ripasudil), a novel ROCK inhibitor, on trabecular meshwork and Schlemm's canal endothelial cells. Sci Rep. 2016 Jan 19;6:19640. DOI:10.1038/srep19640
[3] Yamamoto K, et al. The novel Rho kinase (ROCK) inhibitor K-115: a new candidate drug for neuroprotective treatment in glaucoma. Invest Ophthalmol Vis Sci. 2014 Oct 2;55(11):7126-36. DOI:10.1167/iovs.13-13842

Ripasudil Preparation Products And Raw materials

Raw materials

Preparation Products

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k115 free base Ripasudil 4-Fluoro-5-[[(2S)-hexahydro-2-methyl-1H-1,4-diazepin-1-yl]sulfonyl]isoquinoline RIPASUDIL FREE BASE;K 115 FREE BASE;K115 FREE BASE CS-1564 K-115, Ripasudil Isoquinoline, 4-fluoro-5-[[(2S)-hexahydro-2-methyl-1H-1,4-diazepin-1-yl]sulfonyl]- RIPASUDIL HYDROCHLOIDE (S)-4-Fluoro-5-((2-methyl-1,4-diazepan-1-yl)sulfonyl)isoquinoline 223645-67-8