Etelcalcetide

Drug ingredient

CAS 1262780-97-1

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

US productionNot reported

Import value, 2024$760M

Top sourceChina 33%

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 293090 · basket

These shares come from HS customs code 293090, which covers 418 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).

CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India

Israel
Croatia
Ukraine
Slovakia
United Arab Emirates
Ireland
Poland
Lithuania
Brazil
Singapore
Australia
Armenia
Hong Kong
Vietnam
Czech Republic
Hungary
Greece
Russia

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

Chemical Identity

CAS1262780-97-1

PubChem CID71511839

DTXSIDDTXSID70155132

FormulaC38H73N21O10S2

Mol. Weight1048.3 g/mol

SMILESCC(C(=O)NC(CCCN=C(N)N)C(=O)N)NC(=O)C(CCCN=C(N)N)NC(=O)C(CCCN=C(N)N)NC(=O)C(CCCN=C(N)N)NC(=O)C(C)NC(=O)C(CSSCC(C(=O)O)N)NC(=O)C

Data Sources

PubChem · compound 71511839Retrieved 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

Etelcalcetide (CAS 1262780-97-1) https://chemicalindependence.com/chemical/1262780-97-1/ PubChem: 71511839. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/71511839 FDA National Drug Code directory: CAS 1262780-97-1. 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 293090 for CAS 1262780-97-1. Reporting year: 2024. https://usatrade.census.gov/