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Analgin / Metamizole Sodium

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Pharma-grade analgin (metamizole) is the human-use form of this widely-prescribed analgesic and antipyretic, produced to EP/USP standards for injectable and oral solid dosage forms.

Analgin / Metamizole Sodium
Quick Facts
CAS Number5907-38-0
Molecular FormulaC13H16N3NaO4S · H2O
Molecular Weight333.34
PharmacopoeiaCP, EP
Packaging25 KG/DRUM
EP/BP Standard GMP Certified

Product Overview

Analgin / Metamizole Sodium is a potent analgesic, antipyretic, and spasmolytic agent widely used in human medicine for moderate to severe pain. It is a prodrug that hydrolyzes to active metabolites with central and peripheral analgesic effects.

Metamizole acts via multiple mechanisms including COX inhibition and interaction with the opioid and endocannabinoid systems. Its spasmolytic properties make it particularly useful for colic and visceral pain, distinguishing it from other analgesics. It is available in oral, injectable, and suppository formulations.

Quality Specifications

PurityAs per CPV monograph
Residual SolventsCompliant with ICH Q3C
Heavy MetalsCompliant with pharmacopoeia limits
GMP StatusManufactured under GMP conditions

Pharmaceutical Applications

  • Acute severe pain management: Moderate to severe acute pain of various origins
  • Postoperative pain: Effective analgesia after surgical procedures
  • Renal and biliary colic: Spasmolytic effect for visceral pain
  • Cancer pain: Adjunct therapy for breakthrough cancer pain
  • Fever refractory to other antipyretics: When paracetamol and NSAIDs are ineffective
Standards: CPV, EP  |  CAS: 5907-38-0 (Sodium) / 68-89-3 (Metamizole)  |  Quality data verified against pharmacopoeia monograph COA and MSDS available  |  DrugBank  |  June 2026

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