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Tofacitinib Impurity 6

Tofacitinib Impurity 6 structure

CAS No.: 1640972-35-5

Chemical Name:: Tofacitinib Impurity 6

Synonyms: 3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile;5,6-Dihydro Tofacitinib;Tofacitinib-21;Tofatinib Impurity N;5,6-Dihydro CP-690550;Tofacitinib Dihydro Imp;Tofacitinib Impurity 39;Flubendazole Impurity 16;Tofacitinib dihydro impurity;Tofacitinib Related Compound 21

CBNumber:: CB93133441

Molecular Formula:: C16H22N6O

Molecular Weight:: 314.39

MDL Number:

MOL File:: 1640972-35-5.mol

MSDS File:: SDS

Last updated:2026-05-28 06:29:27

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Tofacitinib Impurity 6 Properties

Melting point	>80°C (dec.)
Boiling point	583.2±50.0 °C(Predicted)
Density	1.239±0.06 g/cm3(Predicted)
storage temp.	-20°C Freezer
solubility	DMSO (Slightly), Methanol (Slightly)
pka	6.04±0.60(Predicted)
form	Solid
color	Pale Yellow to Yellow
InChI	InChI=1S/C16H22N6O/c1-11-5-8-22(14(23)3-6-17)9-13(11)21(2)16-12-4-7-18-15(12)19-10-20-16/h10-11,13H,3-5,7-9H2,1-2H3,(H,18,19,20)/t11-,13+/m1/s1
InChIKey	PEURVXMHTIUQCG-YPMHNXCESA-N
SMILES	N([C@@H]1[C@@H](CCN(C1)C(=O)CC#N)C)(C1N=CN=C2NCCC=12)C
FDA UNII	XV9CP7GUL4

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P280-P305+P351+P338

Tofacitinib Impurity 6 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	437167	5,6-Dihydro CP-690550	1640972-35-5	100mg	$468	2026-06-03	Buy
Usbiological	437167	5,6-Dihydro CP-690550	1640972-35-5	1g	$2654	2026-06-03	Buy
TRC	TRC-D450240-5MG	5,6-Dihydro Tofacitinib >95%(HPLC)	1640972-35-5	5mg	$255	2026-06-03	Buy
TRC	TRC-D450240-50MG	5,6-Dihydro Tofacitinib >95%(HPLC)	1640972-35-5	50mg	$2048	2026-06-03	Buy
TRC	TRC-D450240-25MG	5,6-Dihydro Tofacitinib >95%(HPLC)	1640972-35-5	25mg	$1174	2026-06-03	Buy

Product number	Packaging	Price	Buy
437167	100mg	$468	Buy
437167	1g	$2654	Buy
TRC-D450240-5MG	5mg	$255	Buy
TRC-D450240-50MG	50mg	$2048	Buy
TRC-D450240-25MG	25mg	$1174	Buy

Tofacitinib Impurity 6 Chemical Properties, Uses, Production

Uses

5,6-Dihydro CP-690550 is an impurity of CP-690550 (C781350), a pyrrolo[2,3-d]pyrimidine derivative, as Janus kinase inhibitor for treatment of rheumatoid arthritis.

Tofacitinib Impurity 6 Preparation Products And Raw materials

Raw materials

Preparation Products

Tofacitinib Impurity 6 Suppliers

Global Suppliers ( 63)

Supplier	Tel	Email	Country	ProdList	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-4000505016 13380397412	3001272453@qq.com	China	5000	50
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Wuxi Zhongkun Biochemical Technology Co., Ltd.	0510-85629785 18013409632;	sales@reading-chemicals.com	China	15165	58
Shandong Boluoda Biological Technology Co., Ltd.	0531-68651502	2310993908@qq.com	China	3228	58
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9883	50
Nanjing XiZe Biotechnology CO., Ltd.	025-66023220 15250997978	1511893459@qq.com	China	4777	55
Roark Standards	0755-83552066 15986688328	service@roarkstandards.com	China	1442	58
Hubei Yangxin Medical Technology Co., Ltd.	15374522761	3003392093@yongstandards.com	China	9995	55
Shenzhen SUNGENING Bio-Medical Co., Ltd.	0755-28967200 13631290199	wxf@sungening.com	China	9609	60
Chengdu Novel Biomedical Co., Ltd.	028-85255396 18302801538	cdnovell@163.com	China	2444	58

Supplier	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
Quality Control Solutions Ltd.	56
Wuxi Zhongkun Biochemical Technology Co., Ltd.	58
Shandong Boluoda Biological Technology Co., Ltd.	58
Shanghai Kewel Chemical Co., Ltd.	50
Nanjing XiZe Biotechnology CO., Ltd.	55
Roark Standards	58
Hubei Yangxin Medical Technology Co., Ltd.	55
Shenzhen SUNGENING Bio-Medical Co., Ltd.	60
Chengdu Novel Biomedical Co., Ltd.	58

View Latest Price from Tofacitinib Impurity 6 manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-03-12	Tofacitinib Impurity N 1640972-35-5		10mg	0.98	10g	ShenZhen H&D Pharmaceutical Technology Co., LTD
	2019-12-26	Tofacitinib Impurity 6 1640972-35-5	$6.60	500g	98%	1KG, 50KG, 100KG	Career Henan Chemical Co

Tofacitinib Impurity N
1640972-35-5
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

Tofacitinib Impurity 6
1640972-35-5
$6.60
98%
Career Henan Chemical Co

1640972-35-5 (Tofacitinib Impurity 6) Related Search:

Tofacitinib related coMpound 2 3-((3S,4S)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-3-((2-chloro-7H-pyrrolo[2,3-d]pyriMidin-4-yl)(Methyl)aMino)-4-Methylpiperidin-1-yl)-3-oxopropanenitrile Tofacitinib Impurity 2 Tofacitinib Impurity 3

3-Amino-4-methylpyridine N-((3S,4S)-1-benzyl-4-Methylpiperidin-3-yl)-N-Methyl-7H-pyrrolo[2,3-d]pyriMidin-4-aMine Methyl (1-benzyl-4-Methylpiperidin-3-yl)carbaMate 13-Deoxyepirubicin 3-((3R,4S)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanenitrile

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1-[2-(2-methoxyphenoxy)ethylamino]-3-(9-methylcarbazol-4-yl)oxypropan-2-ol:hydrochloride 7H-Pyrrolo[2,3-d]pyriMidin-4-aMine, N-Methyl-N-[(3R,4R)-4-Methyl-1-(phenylMethyl)-3-piperidinyl]-7-[(4-Met hylphenyl)sulfonyl]- Methyl (4-Methylpiperidin-3-yl)carbaMate 3-((3S,4R)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanenitrile

4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 3-PiperidinaMine, 1-acetyl-N,4-diMethyl-N-1H-pyrrolo[2,3-d]pyriMidin-4-yl-, (3R,4R)- (9CI) 3-Methoxycarbonylamino-4-methylpyridine

1of4

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine Tofacitinib-21 Tofacitinib impurity 14/5,6-Dihydro Tofacitinib/3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile Tofacitinib impurity 15/5,6-Dihydro Tofacitinib Citrate/3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 2-hydroxypropane-1,2,3-tricarboxylate Tofacitinib Impurity 39 5,6-Dihydro CP-690550 Tofacitinib Related Compound 21 (3R,4R)-3-[(6,7-Dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-1-piperidinepropanenitrile 1-Piperidinepropanenitrile, 3-[(6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)methylamino]-4-methyl-β-oxo-, (3R,4R)- Tofatinib Impurity N Tofacitinib Dihydro Imp Flubendazole Impurity 16 Tofacitinib dihydro impurity 3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 5,6-Dihydro Tofacitinib 1640972-35-5