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Cephalomannine 98% Taxane Drugs White Crystal Powder CAS No.71610-00-9

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China U-CHOICE GROUP certification
Yeah, cooperated with U-CHOICE since 2013, CAC gave us a good chance met each other. and then began happy and friendly work together. Good Quality.


I used U-CHOICE 28 homo-brassinolide since 2006. Their Worker all are work hard and kind. now each year we have a lot of cooperation.

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Recommedation is good. Reception is professional. Field training is also very great. Wish more training after getting the goods.

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U-CHOICE and my company has cooperated for more than 6 years. Good quality, Timely delivery, Good service. She is one of our top-supplier.

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Thanks for super good, help us to dissolve the fieil born disease problem, which is a big problem in my area.

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Cephalomannine 98% Taxane Drugs White Crystal Powder CAS No.71610-00-9

Cephalomannine 98% Taxane Drugs White Crystal Powder CAS No.71610-00-9
Cephalomannine 98% Taxane Drugs White Crystal Powder CAS No.71610-00-9

Large Image :  Cephalomannine 98% Taxane Drugs White Crystal Powder CAS No.71610-00-9

Product Details:
Place of Origin: Henan Province, China
Brand Name: U-CHOICE
Certification: ISO 9001 : 2008
Model Number: 98%
Payment & Shipping Terms:
Minimum Order Quantity: 1 kg
Price: Negotiate
Packaging Details: as demand
Delivery Time: 3-5 working days
Payment Terms: T/T,
Supply Ability: 5000 Kgs Per Month
Detailed Product Description
Color: White Or Off White Appearance: Crystal Powder
Purity: 98% M.F: C45H53NO14
CAS No.: 71610-00-9 Other Name: TAXOL B
High Light:

taxane chemotherapy for breast cancer


taxane chemotherapy drugs

Cephalomannine 98% Taxane Drugs CAS No.71610-00-9



Technical Information
Technical Item Technical Data


1.4±0.1 g/cm3

Boiling Point

929.5±65.0 ℃ at 760 mmHg

Molecular Formula


Molecular  Weight


Flash Point

516.0±34.3 ℃

Exact Mass




Log P


Vapour Pressure

0.0± 0.3 mmHg at 25℃

Refractive Index






COA Of Cephalomannine

Analysis Specification Result
Appearance White powder Complies
Odor Characteristic Complies
Taste Characteristic Complies
Identification(TLC) ( + ) Positive
Assay (HPLC) 98% Cephalomannine Complies
Sieve analysis NLT 95% pass 80 mesh Complies
Extract solvent Ethanol&Water Complies
Loss on Drying ≤5.0% 2.56%
Residue on Ignition ≤5.0% 2.72%
Heavy Metal <20ppm Complies
As <2ppm Complies
Residual Solvents Eur. Pharm. Complies



Analysis Specification Result
Total Plate Count <1000cfu/g 550cfu/g
Yeast & Moulds <100cfu/g 40cfu/g
E.Coli Negative Complies
Salmonella Negative Complies


Chemcial Name:
Paclitaxel Related CoMpound A
(2α,5β,7β,10β,13α)-4,10-Diacetoxy-1,7-dihydroxy-13-{[(2R,3S)-2-hydroxy-3-{[(2E)-2-methylbut-2-enoyl]amino}-3-phenylpropanoyl]oxy}-9-oxo-5,20-epoxytax-11-en-2-yl benzoate
Benzenepropanoic acid, α-hydroxy-β-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]amino]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecah ydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-
benzenepropanoic acid, α-hydroxy-β-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]amino]-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-

Cephalomannine was first discovered in the tree, Cephalotaxus mannii. Since then, it has been discovered in yew trees, Taxus sp., and is commonly eluted with taxol during extract purification.


Function of Cephalomannine:
1. With good effect on anti-cancer;
2. With good effect on treating ovarian cancer, breast cancer and lung cancer.

Application of Cephalomannine:
1.It is mainly used in pharmaceutical field;
2.It is mainly used in health product industry;

r at low temperature, keep away from moisture, heat and light.


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