momelotinib

Drug ingredient

CAS 1056634-68-4

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

Molecular structure of 1056634-68-4
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
1 FDA-registered drug labeler
Lonza AG

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$475.00/gCombi-Blocks, Inc.
CountryUnited States
Pack$475.00 / 1 g
Purity95%
Vendors23 available

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

Chemical Identity

CAS1056634-68-4
PubChem CID25062766
DTXSIDDTXSID801026049
FormulaC23H22N6O2
Mol. Weight414.5 g/mol
SMILESC1COCCN1C2=CC=C(C=C2)NC3=NC=CC(=N3)C4=CC=C(C=C4)C(=O)NCC#N

Data Sources

Brief citations

momelotinib (CAS 1056634-68-4) https://chemicalindependence.com/chemical/1056634-68-4/ PubChem: 25062766. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/25062766 FDA National Drug Code directory: CAS 1056634-68-4. 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/ US Census international trade: HS 293499 for CAS 1056634-68-4. Reporting year: 2024. https://usatrade.census.gov/