Ribociclib

Drug ingredient

CAS 1211441-98-3

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

US productionNot reported

Import value, 2024$7.6B

Top sourceIreland 61%

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

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India

Israel
Bulgaria
Japan
Spain
Sweden
Canada
Taiwan
Finland
Portugal
Mexico
Belgium
Hungary
Austria
Brazil
Ukraine
Croatia
Malta
South Korea
South Africa
Denmark
Czech Republic
Malaysia
Argentina
Poland
Cameroon
Australia
Hong Kong
Slovakia
Latvia

1 FDA-registered drug labeler

Chunghwa Chemical Synthesis & Biotech. Ltd

Why It Matters

Sectors

Health

Downstream UsesNot recorded

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

$10.56/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$528.00 / 50 g

Purity98%

Vendors22 available

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

21 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$14.80	10 g	98%
A2B Chem LLC	United States	$23.88	25 g	98%
BLD Pharmatech Co., Limited	United States	$33.60	25 g	98%
BLD Pharmatech GmbH	Germany	$33.60	25 g	98%
BLD Pharmatech Ltd.	China	$33.60	25 g	98%
Ambeed, Inc.	United States	$33.60	25 g	98%
AA BLOCKS	United States	$33.60	5 g	98%
Combi-Blocks, Inc.	United States	$33.60	25 g	98%
AstaTech, Inc	United States	$59.60	5 g	95%
AK Scientific Specialized	United States	$247.00	1 g	95%
TargetMol Chemicals	China → United States	$886.00	500 mg	99.99%
MedChemExpress MCE	Sweden	$999.46	1 g	99.94%
Molnova	China	$1610.00	100 mg	99%
MedKoo Biosciences, Inc	United States	$1650.00	1 g	98%
ChemFaces	China	$2000.00	20 mg	98%
Apexbio Technology LLC	United States	$3160.00	50 mg	98.51%
AK Scientific, Inc.	United States	$3430.00	100 mg	99%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Cayman Europe	Estonia	$4426.80	50 mg	95%
Angene International Limited	United States	$5620.00	100 mg	99%
Axon Medchem	Netherlands	$6720.00	25 mg	99%

Chemical Identity

CAS1211441-98-3

PubChem CID44631912

DTXSIDDTXSID201021027

FormulaC23H30N8O

Mol. Weight434.5 g/mol

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

Data Sources

PubChem · compound 44631912Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Ribociclib (CAS 1211441-98-3) https://chemicalindependence.com/chemical/1211441-98-3/ PubChem: 44631912. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/44631912 FDA National Drug Code directory: CAS 1211441-98-3. 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/ US Census international trade: HS 293359 for CAS 1211441-98-3. Reporting year: 2024. https://usatrade.census.gov/