In-vitro laboratory research and analytical testing use only — verified institutions and corporate entities.

API Reference Standards

CAS 1115-70-4 — Metformin HCl

CAS Registry Number 1115-70-4 identifies Metformin HCl, supplied as an analytical reference standard characterised by identity and chromatographic purity and released lot by lot.

Identifiers

CAS Number
1115-70-4
Molecular Formula
C4H12ClN5
Molecular Weight
165.62 g/mol
HPLC Purity
≥ 99.9% (HPLC verified)
Appearance
White crystalline powder
Storage
Store at 2–8 °C, desiccated.

Synonyms and research codes

Metformin Hydrochloride Reference Standard · Dimethylbiguanide hydrochloride

High-purity API reference standard for assay calibration and dissolution method development.