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Levosimendan

Tier C — Watch / trade

Levosimendan

Orion Corporation
Originator
2000
First approval
-
Expiry (public)
$0.08B ▲
Peak sales
Small molecule
Type

Targets:Potassium channel, VGKCs, PDE3, Troponin, cardiac muscle

Brand:Simdax

Indications (approved):Heart failure

Regional status

US
Phase III
2002-09-01
EU
Approved
2000-09-22
China
Approved
2010-04-29
Japan
-

Synthetic routes & intermediates1 routes

Originator routes × 1Optimised (non-patent) × 0Process routes × 0

Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.

OriginatorRoute 1Steps 2 · Total yield 6.8 mg
LEVOS-00136725-28-7LEVOS-002101328-85-2LEVOS-003109-77-3API · Levosimendan
CodeCAS No.Intermediate
LEVOS-00136725-28-7Available6-(4-aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one
LEVOS-002101328-85-2Available(R)-6-(4-aminophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one
LEVOS-003109-77-3Availablemalononitrile

Frequently asked questions

What are the approved indications of Levosimendan?

Approved indications include: Heart failure.

When does the Levosimendan patent expire?

No public expiry year is available for Levosimendan yet; this page updates once verified.

How many synthesis routes are recorded for Levosimendan?

1 synthesis routes are recorded; the shortest is 2 steps with 6.8 mg total yield. Intermediates in each route carry codes and CAS numbers.

Where can I buy Levosimendan intermediates?

3 intermediate CAS of Levosimendan are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.

How do I get a quote for Levosimendan intermediates?

Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.

Source: cross-verified data (structured fields only) · 2026-09-29