Niraparib tosylate

Drug ingredient

CAS 1038915-73-9

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.

2 FDA-registered drug labelers

GlaxoSmithKline LLC

MSN Laboratories Private Limited

Why It Matters

Sectors

Health

Downstream Uses

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

•Zejula

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

$95.00/gCombi-Blocks, Inc.

CountryUnited States

Pack$950.00 / 10 g

Purity97%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$100.70	10 g	99%
AA BLOCKS	United States	$106.30	10 g	99%
Aaron Chemicals LLC	Hong Kong	$173.00	1 g	98%
Angene Chemical	China → Hong Kong	$200.00	1 g	98%
Molnova	China	$1068.00	500 mg	99%
MedChemExpress MCE	Sweden	$1350.36	1 g	99.99%
TargetMol Chemicals	China → United States	$2430.00	100 mg	99.87%
MedKoo Biosciences, Inc	United States	$2625.00	2 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Cayman Europe	Estonia	$7996.80	50 mg	98%
AstaTech (2 weeks)	United States	$10496.00	250 mg	98%
AK Scientific, Inc.	United States	$31000.00	25 mg	98%
Angene International Limited	United States	$68800.00	5 mg	98%

Chemical Identity

CAS1038915-73-9

PubChem CID78357761

DTXSIDDTXSID801026487

FormulaC26H28N4O4S

Mol. Weight492.6 g/mol

SMILESCC1=CC=C(C=C1)S(=O)(=O)O.C1CC(CNC1)C2=CC=C(C=C2)N3C=C4C=CC=C(C4=N3)C(=O)N

Data Sources

PubChem · compound 78357761Retrieved 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

Niraparib tosylate (CAS 1038915-73-9) https://chemicalindependence.com/chemical/1038915-73-9/ PubChem: 78357761. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/78357761 FDA National Drug Code directory: CAS 1038915-73-9. 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/