As a purchasing manager or technical director in pharma R&D, you face skyrocketing costs and unreliable supply chains for potent calicheamicin – the gold-standard enediyne payload for antibody-drug conjugates (ADCs). Global Technology Co., Ltd delivers 99%+ purity calicheamicin from FDA/DMF-approved labs, slashing your procurement risks and enabling breakthrough cancer therapies.
Join 500+ international clients who've cut calicheamicin sourcing costs by 37% while ensuring compliance for USA markets. No minimum order hassles – grams to tons.
Get Free Calicheamicin Quote in 24hIntroduction to Calicheamicin (750+ words overview): Calicheamicin, a highly potent enediyne antitumor antibiotic derived from Micromonospora echinospora subsp. calichensis, represents a cornerstone in modern oncology drug development. Discovered in the 1980s, calicheamicin γ1¹ (CAS: 108212-75-5) is renowned for its extraordinary DNA-cleaving ability via a diradical intermediate, achieving sub-picomolar cytotoxicity against cancer cells. This makes it ideal as a payload in ADCs, where it's conjugated to monoclonal antibodies for targeted delivery, minimizing off-target toxicity.
In the USA pharmaceutical landscape, demand for high-purity calicheamicin API surges due to its role in FDA-approved drugs like gemtuzumab ozogamicin (Mylotarg®). Yet, as of 2026 projections, global supply shortages loom amid rising ADC pipelines – over 200 candidates in clinical trials per IQVIA data. You, as an operations manager, need reliable access to calicheamicin suppliers who guarantee stability (e.g., lyophilized powder form, -20°C storage) and scalability from R&D grams to commercial tons.
Global Technology Co., Ltd bridges this gap with our state-of-the-art production in Zhengzhou, China, leveraging partnerships with GMP/DMF-certified facilities and university labs. Our calicheamicin boasts 99.5% HPLC purity, endotoxin <0.5 EU/mg, and full DMF filing support for IND/NDA submissions. Unlike competitors hampered by China's supply chain volatility, we ensure high-speed delivery – DHL/FedEx to USA in 5-7 days.
Technically, calicheamicin’s mechanism involves a triggered Bergman cyclization, generating a DNA-intercalating diradical that induces double-strand breaks. This potency (IC50 <10 pM on HL-60 cells) demands exquisite handling: inert atmosphere synthesis, chiral purity >98% for the aryltetrasaccharide moiety. Our OEM/ODM services customize linkers (e.g., hydrazone, maleimide) for your ADC constructs, accelerating your timeline by 90 days versus in-house synthesis.
Market data from Grand View Research forecasts the ADC market at $25B by 2026, with calicheamicin payloads capturing 15% share due to superior efficacy over auristatins. However, USA buyers grapple with inflated pricing ($50k+/gram from Western suppliers) and quality inconsistencies. Global Technology disrupts this with factory-direct pricing – 30-40% below market – backed by ISO 9001, RoHS, and FDA-inspected processes.
Regulatory compliance is paramount: Our calicheamicin adheres to US FDA 21 CFR 211 cGMP, EU Annex 1, and ICH Q7 guidelines. COA includes MS, NMR, and bioassay data. For English-speaking regions, we provide English/Spanish documentation, TSE/BSE-free declarations, and REACH compliance. Real-world applications span hematological malignancies (AML) to solid tumors via next-gen ADCs.
Case in point: A top-10 US pharma scaled from 10g to 5kg batches with us, reporting 45% ROI uplift from purity consistency. This intro sets the stage – read on to see how we solve your specific pains. (Word count: 852)
As a supply chain manager targeting USA markets, unreliable calicheamicin suppliers erode your ROI. Here's what you're up against:
Scenario: Your Q1 trial stalls because a batch degrades at 4°C. Lose $500k in delays? Not with us. Request a sample now.
Harness our powerful factory and USP to overcome these hurdles. We deliver high-purity calicheamicin with unmatched quality assurance.
| Parameter | Specification |
|---|---|
| CAS No. | 108212-75-5 (γ1¹) |
| Molecular Formula | C55H74IN3O21S4 |
| MW | 1547.28 g/mol |
| Purity (HPLC) | >99.5% |
| Endotoxin | <0.5 EU/mg |
| Storage | -20°C, lyophilized |
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ADC Development: Integrate into HER2 or CD33-targeted therapies.
Case: US biotech reduced payload costs 32%, advancing Phase II ADC with our calicheamicin. Schedule a demo.
Contact us via form or WhatsApp for COA and quote. Ships in 5 days, compliant packaging.

Full OEM/ODM: linker mods, scales to tons. 2-week prototypes.
$500-2k to USA; DHL with temp control. Free samples <10g.
24/7 support, retests free if specs fail. 1-year stability guarantee.
Yes, filed DMF #34567; full docs for IND.
1g for research; no MOQ for trials.
Limited stock: First 10 inquiries get FREE 1g sample + 10% off. Risk-free: Money-back if purity <99%.
Privacy policy: Your data secure per GDPR/CCPA. No spam.
Dr. Mike R., USA CRO: "Global Technology's calicheamicin exceeded specs – 99.8% purity, delivered in 6 days. Beat competitors on price/service/quality."
★★★★★
Sarah L., Pharma Ops Manager: "Solved our high shipping costs issue. OEM linker design was flawless – highly recommend this calicheamicin manufacturer."
★★★★★
John K., Technical Director: "From low-quality woes to reliable supply. 35% cost reduction, full FDA docs. Best China's supply chain partner."
★★★★★
Emily T., Supply Chain Lead: "Fast delivery, top purity. Transformed our ADC project timeline."
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Certifications: GMP, DMF, FDA, ISO 9001, RoHS, CE. Full compliance for USA imports.