Ribociclib API
CAS No.: 1256963-02-6/1211441-98-3
Synonyms:Rebosini;LEE011;CDK4/6 inhibitor;CDK4 inhibitor;CDK4-IN-1;CS-842;
Molecular formula:C22H29ClN8/C23H30N8O
EINECS NO.: 807-111-0
Minimum Order Quantity (MOQ): 10g or 100g (custom packaging available)
Shipping: Worldwide via DHL, FedEx, UPS, or USPS (secure and expedited)
Storage Conditions: Store in a cool, dry place
Shelf Life:≥24 months
Lead Time: 1-3 business days
Warehouse Locations: USA & Germany (ensuring fast regional delivery)
Certificates Provided: COA, HPLC, MSDS, TDS, and other compliance documents upon request
For inquiries or orders, please contact us for competitive pricing and reliable supply.
- Product Description
Xi'an Faithful BioTech Co., Ltd —— A reliable supplier of Ribociclib API
Xi'an Faithful BioTech Co., Ltd, focusing on the research and development and production of raw materials of Ribociclib API. We always regard quality as the foundation of enterprise's survival, adhere to strict pharmaceutical specifications and stable product quality, and provide reliable product support and tailor-made solutions for each partner. We are willing to work hand in hand with you in a professional and responsible manner.
Ribociclib API Introduction
Ribociclib is an important raw material for anticancer drugs. It can effectively prevent the spread of cancer cells by precisely inhibiting the key proteins needed for the growth of cancer cells, and is especially suitable for specific types of advanced breast cancer. Usually, it can significantly delay the progress of the disease when combined with other products. The preparation process of the raw material medicine is complex, and the requirements for purity and safety are extremely high.
Specifications:
| Test | Specifications | Result |
| Assay | ≥99% | 99.56% |
| Appearance | Light beige powder | Light beige powder |
| Odor & taste | Characteristic | Complies |
| Loss on drying | ≤2.0% | 0.10% |
| Mesh size | 100% pass 80mesh | Complies |
| Heavy metals PPM | ||
| Pb | ≤2.0ppm | Complies |
| As | ≤1.0ppm | Complies |
| Hg | ≤0.5ppm | Complies |
| Microbiology | ||
| Total Plate Count | <1000cfu/g | Complies |
| Yeast & Mold | <100cfu/g | Complies |
| E.Coli | Negative | Complies |
| Fungi | Negative | Complies |
| Salmonella | Negative | Complies |
| Conclusion:Conform with enterprise specification | ||
Application Areas:
- Main uses: it is specially used for anti-tumor targeted pharmaceutical preparations and is the core active ingredient of patent medicine.
- Core indications: mainly used for advanced or metastatic breast cancer with HR positive and HER2 negative.
Main Benefits:
- Accurate targeting: Ribociclib API can accurately block cyclin and effectively inhibit the proliferation of tumor cells, with definite clinical effect.
- Mature technology, controllable cost: It has mature synthesis and purification technology, and has excellent cost advantage while ensuring quality.
If you need it,Contact us at Email: sales11@faithfulbio.com
Why Choose Us?
- We have a good first pass, only choose the right materials, so that the quality can be stable from the starting point.
- Relying on intelligent systems to save costs and improve efficiency, turn hard power into real advantages of products.
- The supply chain is not broken, the production is smooth and the delivery is accurate, and it is said that it will not be delayed.
- The R&D team will accompany you all the way to help you seize the market.
Quality Control:

R&D Results:

Packaging and Transportation:


After-Sales Service:

Qualification Certification:

Exhibition:

FAQ
Q1:What is ibociclib API?
A1: Ribociclib API is the active ingredient of cyclin-dependent kinase inhibitor.
Q2:What transportation modes and packaging specifications are supported?
A2:Air/sea transportation is supported, and the packaging adopts double-layer PE bag+aluminum foil bag+cardboard bucket to ensure transportation safety.
Q3:What is the minimum order quantity (MOQ)? How long is the regular delivery time?
A3: MOQ is usually 100g (negotiable), and the regular delivery time is 15-30 working days after receiving the order and advance payment (depending on the inventory and production schedule).
Contact Us
Welcome to write to sales11@faithfulbio.com, our professional sales team is ready to go.
Get the latest quotation and detailed information of Ribociclib API immediately, and let us build a win-win future based on high-quality raw materials.




