Pharmaceutical Grade Cefalexin Raw Material Cefalexin Powder Cefalexin

• Customization: Available
• CAS No.: 15686-71-2
• Formula: C16h17n3o4s
• Model NO.: QS-Cefalexin
• EINECS: 239-773-6
• Packaging Material: Negotiable
• Storage Method: Normal
• Shelf Life: 2year
• Nutrient Composition: Cefalexin
• Resource: Cefalexin
• The content of active substances: 99%
• Product Name: Aztreonam
• Name: Aztreonam Powder
• Appearance: White Powder
• Color: White
• Grade: Pharmacuetical Grade
• Assay: HPLC 99%
• Application: Pharmacuetical Grade
• Specific: COA
• Test Method: HPLC
• CAS: 15686-71-2
• Mf: C16h17n3o4s
• MW: 347.389
• Refractive Index: 1.6320
• Hc: 29419000
• Boiling Point: 727.4
• Transport Package: Negotiabie
• Specification: 99%
• Trademark: QS
• Origin: Xi′an Shaanxi
• Production Capacity: 500kg/Month

Product Description

Pharmaceutical Grade Cefalexin Raw Material Cefalexin Powder Cefalexin

Product Description

Product Detials

Product Name	Cefalexin
Apperance	White crystalline powder
CAS	15686-71-2
MF	C13H19Br2ClN2O
MW	414.56

Cefalexin is acid-stable, allowing for oral administration, and is rapidly absorbed from the gastrointestinal tract. It was first approved by the FDA in 1971 and remains widely used due to its broad-spectrum activity, excellent safety profile, and low cost. The drug is classified as pregnancy category B and is generally well-tolerated across all age groups.

Application&Function

1. Spectrum of Activity
Gram-positive bacteria:
Excellent coverage against Staphylococcus aureus (methicillin-sensitive)
Effective against Streptococcus pyogenes and Streptococcus pneumoniae
Gram-negative bacteria:
Moderate activity against Escherichia coli, Klebsiella pneumoniae, and Proteus mirabilis
Ineffective against:
MRSA, Pseudomonas aeruginosa, and most anaerobes
2. Clinical Applications
Respiratory tract infections: Pharyngitis, otitis media
Skin/soft tissue infections: Cellulitis, impetigo
Urinary tract infections: Uncomplicated cystitis
Bone/joint infections: Osteomyelitis (as adjunct therapy)
Dental infections: Periodontal abscesses
3. Pharmacokinetics
Absorption: 90-95% oral bioavailability
Distribution: Widely distributed to tissues and body fluids
Excretion: Primarily renal (half-life: 0.5-1.2 hours)
4. Advantages
Oral bioavailability: Unlike many cephalosporins
Dosing flexibility: Can be given with or without food
Safety: Few drug interactions and minimal side effects

Specification

Certificate of Analysis