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Macrolides APIs

Broad-spectrum macrolide antibiotics with unique tissue penetration and intracellular accumulation profiles. Active against atypical organisms, respiratory, and STI-associated pathogens.

Regulatory ReadyCOA, DMF & CEP supportUSP / EP / BPPharmacopoeial grade APIsFull TraceabilityBatch-to-batch documentation
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All Macrolides APIs

7 APIs available

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CAS 117772-70-0 Product Code MAC-001 WHO-GMP

Azithromycin IP / USP

Azalide macrolide in IP and USP grade — same active compound across both pharmacopoeial standards, differing only in monograph specification. Sourced for respiratory tract and sexually transmitted infection treatment protocols.

IP USP
Macrolides API

Azithromycin IP / USP

CAS
117772-70-0
Product Code
MAC-001
Category
Macrolides
Specification
IP / USP
Quality
WHO-GMP

Full description

Azalide macrolide in IP and USP grade — same active compound across both pharmacopoeial standards, differing only in monograph specification. Sourced for respiratory tract and sexually transmitted infection treatment protocols.
CAS 81103-11-9 Product Code MAC-002 WHO-GMP

Clarithromycin

14-membered semisynthetic macrolide in pharmaceutical grade for tablet and suspension formulation manufacturing. Sourced for respiratory tract infections and H. pylori eradication therapy product lines.

Oral
Macrolides API

Clarithromycin

CAS
81103-11-9
Product Code
MAC-002
Category
Macrolides
Quality
WHO-GMP
Applications
Oral

Full description

14-membered semisynthetic macrolide in pharmaceutical grade for tablet and suspension formulation manufacturing. Sourced for respiratory tract infections and H. pylori eradication therapy product lines.
CAS 114-07-8 Product Code MAC-003 WHO-GMP

Erythromycin Base

Original 14-membered macrolide in USP/EP grade for powder, tablet, and suspension formulation manufacturing. Sourced for respiratory tract infections, skin infections, and acne treatment protocols.

USP EP Oral
Macrolides API

Erythromycin Base

CAS
114-07-8
Product Code
MAC-003
Category
Macrolides
Specification
USP / EP
Quality
WHO-GMP
Applications
Oral

Full description

Original 14-membered macrolide in USP/EP grade for powder, tablet, and suspension formulation manufacturing. Sourced for respiratory tract infections, skin infections, and acne treatment protocols.
CAS 3521-62-8 Product Code MAC-004 WHO-GMP

Erythromycin Estolate

Propionate ester salt of erythromycin in EP/USP grade for oral suspension formulation manufacturing, offering enhanced gastrointestinal absorption. Sourced for paediatric respiratory infection product lines.

EP USP Oral
Macrolides API

Erythromycin Estolate

CAS
3521-62-8
Product Code
MAC-004
Category
Macrolides
Specification
EP / USP
Quality
WHO-GMP
Applications
Oral

Full description

Propionate ester salt of erythromycin in EP/USP grade for oral suspension formulation manufacturing, offering enhanced gastrointestinal absorption. Sourced for paediatric respiratory infection product lines.
CAS 643-22-1 Product Code MAC-005 WHO-GMP

Erythromycin Stearate

Acid-stable stearate salt of erythromycin in BP/USP grade for tablet formulation manufacturing, offering reduced gastric upset versus the base form. Sourced for respiratory tract infection treatment protocols.

BP USP Oral
Macrolides API

Erythromycin Stearate

CAS
643-22-1
Product Code
MAC-005
Category
Macrolides
Specification
BP / USP
Quality
WHO-GMP
Applications
Oral

Full description

Acid-stable stearate salt of erythromycin in BP/USP grade for tablet formulation manufacturing, offering reduced gastric upset versus the base form. Sourced for respiratory tract infection treatment protocols.
CAS 1405-41-0 (sulfate) Product Code MAC-006 WHO-GMP

Gentamicin

Aminoglycoside antibiotic supplied as sulfate salt for injectable formulation manufacturing. Sourced for severe gram-negative bacterial infection protocols. Note: classified pharmacologically as an aminoglycoside, not a macrolide.

Injection
Macrolides API

Gentamicin

CAS
1405-41-0 (sulfate)
Product Code
MAC-006
Category
Macrolides
Quality
WHO-GMP
Applications
Injection

Full description

Aminoglycoside antibiotic supplied as sulfate salt for injectable formulation manufacturing. Sourced for severe gram-negative bacterial infection protocols. Note: classified pharmacologically as an aminoglycoside, not a macrolide.

Source note

classified pharmacologically as an aminoglycoside, not a macrolide.
CAS 80214-83-1 Product Code MAC-007 WHO-GMP

Roxythromycin

Semi-synthetic macrolide with enhanced oral bioavailability in pharmaceutical grade for tablet formulation manufacturing. Sourced for upper and lower respiratory tract infection treatment protocols.

Oral
Macrolides API

Roxythromycin

CAS
80214-83-1
Product Code
MAC-007
Category
Macrolides
Quality
WHO-GMP
Applications
Oral

Full description

Semi-synthetic macrolide with enhanced oral bioavailability in pharmaceutical grade for tablet formulation manufacturing. Sourced for upper and lower respiratory tract infection treatment protocols.
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