etelcalcetide hydrochloride

Drug ingredient

CAS 1334237-71-6

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

Molecular structure of 1334237-71-6 — 1 HCl

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

7 FDA-registered drug labelers

Amgen, Inc

Aurobindo Pharma Limited

Bachem AG

Chunghwa Chemical Synthesis & Biotech. Ltd

MSN Life Sciences Private Limited

Patheon Manufacturing Services LLC

USV Private Limited

Why It Matters

Sectors

Health

Downstream Uses

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

•Parsabiv

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

CAS1334237-71-6

PubChem CID71515466

DTXSIDDTXSID70158103

FormulaC38H74ClN21O10S2

Mol. Weight1084.7 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.Cl

Data Sources

PubChem · compound 71515466Retrieved 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 hydrochloride (CAS 1334237-71-6) https://chemicalindependence.com/chemical/1334237-71-6/ PubChem: 71515466. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/71515466 FDA National Drug Code directory: CAS 1334237-71-6. 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 1334237-71-6. Reporting year: 2024. https://usatrade.census.gov/