Linaclotide Peptide (CAS 851199‑59‑2)

• High purity ≥99.0% by HPLC
• Strict control of related substances and diastereomers
• Low microbial & endotoxin levels
• Full COA, MSDS, NMR, MS, TGA, KF
• Stable supply chain & cold-chain shipping
• Custom packaging from 1g to bulk

• Test Item	Standard	Typical Result
  Description	White to off‑white lyophilized powder	Conforms
  CAS No.	851199‑59‑2	Conforms
  Assay (Peptide Content)	95.0% – 105.0%	99.1%
  Purity (HPLC)	≥99.0%	99.5%
  Maximum Single Impurity	≤0.5%	0.2%
  Total Impurities	≤1.0%	0.6%
  Acetic Acid Content	3.0% – 8.0%	5.3%
  Water Content (Karl Fischer)	≤5.0%	2.7%
  Specific Optical Rotation	−40° to −50°	−45.6°
  pH (1% solution)	4.0 – 6.5	5.2
  Bacterial Endotoxins	≤5 EU/mg	<2 EU/mg
  Microbial Limits	Complies	Complies
  Heavy Metals	≤10 ppm	<5 ppm
  Residual Solvents	Complies with ICH Q3C	Complies
  Storage	2–8°C, sealed, dry, protect from light	Recommended
  Shelf Life	24 months	Valid

  
  

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  Main Applications

  
  
  • Irritable Bowel Syndrome with Constipation (IBS‑C)
  • Chronic Idiopathic Constipation (CIC)
  • Oral solid dosage formulation development
  • Preclinical and clinical gastrointestinal research
  • Pharmaceutical finished dosage R&D
  
  

  Quality & Compliance

  
  
  • GMP‑compliant production line
  • EP / USP / in‑house strict standards
  • Full traceability from raw material to finished product
  • TSE/BSE free, non‑animal origin
  • Stable quality for long‑term cooperation
  
  

  Packaging & Shipping

  
  
  • Inner: Sealed sterile vial with desiccant
  • Outer: Aluminum foil bag + carton
  • Shipping: Cold chain (2–8°C) with temperature recorder
  • Neutral packaging & custom labeling available
  
  

  Order Information

  
  
  • MOQ: 1g
  • Lead time: 1–2 weeks (in stock)
  • Full export documents: COA, MSDS, TDS, GMP
  • Technical support for formulation development
  •