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Larotaxel

Larotaxel structure

CAS No.: 156294-36-9

Chemical Name:: Larotaxel

Synonyms: XRP9881;Larotaxel;PNU 100940;Larotaxel USP/EP/BP;Larotaxel (XRP-9881);Thiabendazole Impurity 4;Paclitaxel Impurity 36（Larotaxel）;(1S,2S,3R,4S,7R,9S,11R,13R,16S)-4,13-bis(acetyloxy)-16-{[(2R,3S)-3-{[(tert-butoxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoyl]oxy}-1-hydroxy-15,18,18-trimethyl-12-oxo-6-oxapentacyclo[12.3.1.03,11.0?,?.0?,11]octadec-14-en-2-yl benzoate;Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (1S,2S,4S,7R,8aR,9aS,10aR,12aS,12bR)-7,12a-bis(acetyloxy)-1-(benzoyloxy)-1,3,4,7,8,9,9a,10,10a,12,12a,12b-dodecahydro-2-hydroxy-5,13,13-trimethyl-8-oxo-2,6-methano-2H-cyclodeca[3,4]cyclopropa[4,5]benz[1,2-b]oxet-4-yl ester, (...

CBNumber:: CB22498816

Molecular Formula:: C45H53NO14

Molecular Weight:: 831.9

MDL Number:: MFCD00925691

MOL File:: 156294-36-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-07-27 17:00:41

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Larotaxel Properties

Melting point	170 - 174°C (dec.)
Boiling point	889.3±65.0 °C(Predicted)
Density	1.37
storage temp.	-20°C Freezer
solubility	Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form	Solid
pka	11.20±0.46(Predicted)
color	White to Off-White
FDA UNII	TWQ8K8A81Y
NCI Drug Dictionary	larotaxel

Larotaxel price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	015480	Larotaxel	156294-36-9	5mg	$496	2026-06-03	Buy
ChemScene	CS-0091011	Larotaxel 99.30%	156294-36-9	1mg	$162	2026-06-04	Buy
ChemScene	CS-0091011	Larotaxel 99.30%	156294-36-9	5mg	$386	2026-06-04	Buy
ChemScene	CS-0091011	Larotaxel 99.30%	156294-36-9	10mg	$590	2026-06-04	Buy
ApexBio Technology	BA3200	Larotaxel	156294-36-9	1mg	$121	2026-05-06	Buy

Product number	Packaging	Price	Buy
015480	5mg	$496	Buy
CS-0091011	1mg	$162	Buy
CS-0091011	5mg	$386	Buy
CS-0091011	10mg	$590	Buy
BA3200	1mg	$121	Buy

Larotaxel Chemical Properties,Uses,Production

Uses

Larotaxel (RPR 109881A) is a taxane analog with a broad spectrum of activity and different toxicity profile and with the possible advantages of surpassing some mechanisms of resistance and penetrating into the CNS.

Larotaxel Preparation Products And Raw materials

Raw materials

Preparation Products

Larotaxel Suppliers

Global( 74)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Jiangxi Boye Medical Technology Co., Ltd	027-18971341812/18971341812 18971341812	anikay@boyechemicals.com	China	480	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Shanghai Fuhe Chemistry Technology Co., Ltd.	0086-21-67651709	cfx759@hotmail.com	China	409	57
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Shanghai Yongye Biotechnology Co., Ltd.	86-021-61559134 15921386130	3423497944@qq.com	China	8135	55
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60
Shanghai ChengShao Biological Technology Co., Ltd.	021-61847300 13341622919	shcss01@163.com	China	4806	58
Wuhan Boye Technology Development Co., Ltd.	027-81625225 15377010747	hui@boyechemicals.com	China	493	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226	sales@rrkchem.com	China	57336	58

Supplier	Advantage
Jiangxi Boye Medical Technology Co., Ltd	58
J & K SCIENTIFIC LTD.	76
Chemsky（shanghai）International Co.,Ltd.	50
Shanghai Fuhe Chemistry Technology Co., Ltd.	57
Quality Control Solutions Ltd.	56
Shanghai Yongye Biotechnology Co., Ltd.	55
Shanghai YuanYe Biotechnology Co., Ltd.	60
Shanghai ChengShao Biological Technology Co., Ltd.	58
Wuhan Boye Technology Development Co., Ltd.	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	58

View Lastest Price from Larotaxel manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-07-27	Larotaxel 156294-36-9	$123.00-453.00		99.22%	10g	TargetMol Chemicals Inc.

Larotaxel
156294-36-9
$123.00-453.00
99.22%
TargetMol Chemicals Inc.

Larotaxel Spectrum

Larotaxel(156294-36-9)¹HNMR

156294-36-9(Larotaxel)Related Search:

(2R,3S)-3-Phenylisoserine ethylester 2-Debenzoyl Paclitaxel 2-Pentanoate taxane Cabazitaxel Impurity Paclitaxel Impurity 9

3H-4,7a-Methanocyclohept[3,3a]indeno[5,4-b]oxete Benzenepropanoic Acid Derivative 10-Deacetyl-13-oxobaccatin III 2-Debenzoyl-2-tigloyl 10-DAB 5-Oxazolidinecarboxylic acid, 3-benzoyl-2-(4-methoxyphenyl)-4-phenyl-, (4R,5S)-rel- Cabazitaxel Impurity

β-(BenzoylaMino)-α-hydroxybenzenepropanoic Acid (αR,βS)-(1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-Bis(acetyloxy)-4-[(benzoyloxy)Methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetraMethyl-12-oxo-6,10-Methanobenzocyclodecen-8-yl Ester 7-Xylosyl-10-deacetyltaxol N-Debenzoyl-N-[(3E)-hex-3-enoyl]paclitaxel 10-Deacetyl 13-O-(Triethylsilyl) Baccatin III

7-deoxy-10-deacetylbaccatin III Docetaxel intermediate Larotaxel intermediate(A-3)

1of4

Larotaxel PNU 100940 XRP9881 Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (1S,2S,4S,7R,8aR,9aS,10aR,12aS,12bR)-7,12a-bis(acetyloxy)-1-(benzoyloxy)-1,3,4,7,8,9,9a,10,10a,12,12a,12b-dodecahydro-2-hydroxy-5,13,13-trimethyl-8-oxo-2,6-methano-2H-cyclodeca[3,4]cyclopropa[4,5]benz[1,2-b]oxet-4-yl ester, (... Larotaxel USP/EP/BP Paclitaxel Impurity 36（Larotaxel） Larotaxel (XRP-9881) (1S,2S,3R,4S,7R,9S,11R,13R,16S)-4,13-bis(acetyloxy)-16-{[(2R,3S)-3-{[(tert-butoxy)carbonyl]amino}-2-hydroxy-3-phenylpropanoyl]oxy}-1-hydroxy-15,18,18-trimethyl-12-oxo-6-oxapentacyclo[12.3.1.03,11.0?,?.0?,11]octadec-14-en-2-yl benzoate Thiabendazole Impurity 4 156294-36-9 Aromatics Chiral Reagents Intermediates & Fine Chemicals Pharmaceuticals API