Ribociclib succinate

Drug ingredient

CAS 1374639-75-4

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

6 FDA-registered drug labelers

Chunghwa Chemical Synthesis & Biotech. Ltd

MSN Laboratories Private Limited

Novartis Pharmaceuticals Corporation

Sicor de Mexico S.A. de C.V

Valary Lab Private Limited

zhejiang jiuzhou pharmaceutical Co., Ltd.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Kisqali

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$27.60/gAaron Chemicals LLC

CountryHong Kong

Pack$138.00 / 5 g

Purity98%

Vendors16 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

15 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$30.60	5 g	98%
Angene Chemical	China → Hong Kong	$32.00	5 g	98%
AA BLOCKS	United States	$34.00	5 g	98%
Combi-Blocks, Inc.	United States	$38.00	5 g	98%
Ambeed, Inc.	United States	$43.00	5 g	98%
AK Scientific, Inc.	United States	$380.00	100 mg	98%
Molnova	China	$916.00	500 mg	99%
Angene International Limited	United States	$940.00	100 mg	98%
TargetMol Chemicals	China → United States	$1018.00	500 mg	99.9%
MedChemExpress MCE	Sweden	$1249.93	1 g	99.93%
TargetMol Chemicals US	United States	$1430.00	200 mg	99.9%
MedKoo Biosciences, Inc	United States	$2125.00	2 g	98%
Cayman Europe	Estonia	$2213.40	100 mg	98%
Angene	China → Hong Kong	$2500.00	30 mg	98%
AstaTech (2 weeks)	United States	$6580.00	100 mg	98%

Chemical Identity

CAS1374639-75-4

PubChem CID57334219

DTXSIDDTXSID301027923

FormulaC27H36N8O5

Mol. Weight552.6 g/mol

SMILESCN(C)C(=O)C1=CC2=CN=C(N=C2N1C3CCCC3)NC4=NC=C(C=C4)N5CCNCC5.C(CC(=O)O)C(=O)O

Data Sources

PubChem · compound 57334219Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

Ribociclib succinate (CAS 1374639-75-4) https://chemicalindependence.com/chemical/1374639-75-4/ PubChem: 57334219. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/57334219 FDA National Drug Code directory: CAS 1374639-75-4. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/