Search
Specifications of Fludarabine CAS 21679-14-1 COA:
Items | Specifications | Results |
Appearance (25℃) | White or almost white crystalline powder | White crystalline powder |
Identification | The retention time of the main peak of the test solution was consistent with the reference solution | Complies |
Loss on drying | ≤0.8% | Complies |
Purity | ≥99.5% | 99.6% |
Any individual impurity | ≤0.2% | 0.1% |
Conclusion | The product conforms to the above specifications. | |
CAS:21679-14-1
MF:C10H12FN5O4
Melting point :265-268°C
form:Crystalline powder
color:White or almost white
Uses:
Fludarabine is a fluorinated purine nucleoside analog used mainly as an anticancer active pharmaceutical ingredient and research reagent, not a cosmetic or nutrition ingredient. Its clinical form is usually fludarabine phosphate, a water-soluble prodrug that is converted in the body to the active metabolite F-ara-ATP.126
What it is
Name: Fludarabine / Fludarabine base
CAS: 21679-14-1
Molecular formula: C₁₀H₁₂FN₅O₄
Molecular weight: 285.23
Related API: Fludarabine phosphate, C₁₀H₁₃FN₅O₇P, MW 365.2
Appearance: White to off-white crystalline powder / solid
Storage: Typically stored cool, dry, protected from light; often 2–8 °C depending on grade
Solubility: Soluble in DMSO/DMF/alcohols; poorly soluble or insoluble in water as the base form; the phosphate salt is water-soluble1413
Main uses
| Application | Details |
|---|---|
| Oncology API / finished drug | Used as fludarabine phosphate injection or oral tablets for B-cell chronic lymphocytic leukemia (CLL)source_group_web_3 |
| Hematology / transplant | Used in lymphodepleting or conditioning regimens before hematopoietic stem cell transplantationsource_group_web_4 |
| Research reagent | Sold for lab research as a DNA synthesis inhibitor and antimetabolitesource_group_web_5 |
| Pharmaceutical impurity / reference standard | Related impurities and reference materials are used in analytical testingsource_group_web_6 |
Well-established oncology molecule: Long clinical history in CLL and hematologic malignancies supports strong recognition among pharma and research buyers.
Clear mechanism story: Inhibits DNA polymerase, ribonucleotide reductase, and DNA primase via F-ara-ATP; useful for scientific positioning.
Multiple supply forms: Can be positioned as fludarabine base, fludarabine phosphate, research-grade material, or pharma intermediate.
Research demand: Useful for studies on nucleoside analogs, apoptosis, DNA replication inhibition, and hematologic cancer models.
High-purity specification available: Typical grades are offered at ≥98% or ≥99% by HPLC, suitable for analytical and development needs.
Niche pharmaceutical raw material: Fits oncology API, intermediate, and reference-standard portfolios rather than mass consumer chemicals.






Also, if you have any other questions, you can contact us
FAQ From Wuhan Fortuna Chemical Co.,Ltd
Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.
Q6: How do you treat quality complaint ?
A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.



Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.
Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.
We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.
Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.
Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Fludarabine with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Fludarabine.
1. Guaranteed purity;
2. Large quantity in stock;
3. Largest manufacturer;
4. Best service after shipment with email;
5. High quality & competitive price;
Fortunachem Provides Not Only Professional Chemical Products But Also Professional Help
Keeping you up-to-date with all the latest information, news, and events about Fortunachem!
Quick Links
Add:
E-mail:
English
Español
français
العربية
中文
