Methadone Hydrochloride structure
Human APIs

Methadone Hydrochloride

CAS Registry Number: 1095-90-5

Methadone Hydrochloride is a long-acting synthetic full mu-opioid receptor agonist with NMDA antagonist activity (methadone base — racemic mixture; only the R-enantiomer contributes significantly to mu-agonism). Manufactured to USP and Ph.

Product information

Methadone Hydrochloride is a long-acting synthetic full mu-opioid receptor agonist with NMDA antagonist activity (methadone base — racemic mixture; only the R-enantiomer contributes significantly to mu-agonism). Manufactured to USP and Ph. Eur. monograph specifications. Primary use is opioid maintenance therapy (methadone maintenance treatment programmes) and severe chronic pain. Schedule II in US with additional distribution restrictions — methadone for OUD is dispensed only through federally-certified Opioid Treatment Programs (OTPs). Long QT prolongation risk requires ECG monitoring.

Product specifications

CAS Registry Number
1095-90-5
Therapeutic Category
Human APIs
API Technology
Synthetic / Semi-synthetic (per molecule)
Development Status
Commercial — stocked
Manufacturer
Longshine Boi-Tech Pvt. Ltd.
Facility
Pune, Maharashtra, India 411001

Regulatory filings & documentation

We maintain regulatory dossiers in the following jurisdictions for Methadone Hydrochloride-relevant molecules. Letter of Authorization (LoA) and CEP / DMF / ASMF references are issued at no charge to qualified buyers.

US FDA DMF (Type II)
EDQM CEP (where applicable)
Brazil ANVISA
Canada Health Canada
Japan PMDA
Korea MFDS
GCC SFDA
EU CEP
WHO-GMP & ISO 9001:2015 certified. US FDA Drug Master File available. EDQM CEP supplied for EU procurement. Pharmacopoeial release against USP, Ph. Eur., IP, JP. CoA on every batch. First-shipment lead time 7-10 business days for stocked APIs.
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Frequently asked questions about Methadone Hydrochloride

What is Methadone Hydrochloride used for?

Methadone Hydrochloride is supplied as a pharmaceutical-grade human apis for use by regulated pharmaceutical manufacturers, contract development and manufacturing organisations (CDMOs), and research institutions. Buyers using Methadone Hydrochloride typically reference it under CAS Registry Number 1095-90-5.

What quality and regulatory standards does Longshine Boi-Tech's Methadone Hydrochloride meet?

Our Methadone Hydrochloride is manufactured under WHO-GMP and ISO 9001:2015 conditions in Pune, India. Per-batch Certificate of Analysis (CoA) is released against USP / Ph. Eur. / IP / JP specifications depending on destination market. We hold US FDA Drug Master File and EDQM Certificate of Suitability dossiers for the molecules where regulatory recognition is required; Letter of Authorization (LoA) is issued at no charge to qualified buyers.

How do I request a quote, sample, or proforma invoice for Methadone Hydrochloride?

Quote requests for Methadone Hydrochloride are turned around within 24 business hours (IST, Pune). Bulk APIs typically ship within 7-10 business days of confirmed PO; air freight to North America and Europe runs 4-5 days door-to-door. Sample agreements are signed before shipping QC-grade material to your formulation laboratory.

Which countries does Longshine Boi-Tech supply Methadone Hydrochloride to?

We export Methadone Hydrochloride to 50+ countries including the United States, Canada, Mexico, Brazil, the European Union, the United Kingdom, Japan, Australia, South Korea, the GCC and across South-East Asia. All regulatory documents (DMF / CEP / LoA) and shipping incoterms (EXW, FCA, CIP, DAP, DDP) are negotiated per buyer.

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Related categories & resources

Browse the full Human APIs catalogue or all 560+ products. Reference documents: certifications portfolio · quality system · FDA DMF buyer guide · EU CEP supplier guide · complete product index.