ChemicalBook >> CAS DataBase List >>4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine structure

CAS No.: 134965-85-8

Chemical Name:: 4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine

Synonyms: Tofacitinib-27;Tofatinib impurity 28;Tofatinib Impurity 14;Baritinib Impurity 33;Tofacitinib impurities;Baricitinib Impurity 33;Azilsartan medoxomil impurity330;4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine;4'-Chloro-4,7'-bi-7H-pyrrolo[2,3-d]pyrimidine;4,7'-Bi-7H-pyrrolo[2,3-d]pyrimidine, 4'-chloro-

CBNumber:: CB83311149

Molecular Formula:: C12H7ClN6

Molecular Weight:: 270.68

MDL Number:: MFCD31925059

MOL File:: 134965-85-8.mol

MSDS File:: SDS

Last updated:2026-05-28 05:38:02

Product description	Number	Pack Size	Price
4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	AA01KY42	100mg	$318
4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	AA01KY42	250mg	$618
4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	AA01KY42	1g	$1853
4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine 97%	S80844	250MG	$835
4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine 97%	S80844	1G	$2260

Request For Quotation

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Properties

Boiling point	397.4±52.0 °C(Predicted)
Density	1.74±0.1 g/cm3(Predicted)
storage temp.	-20°C, sealed storage, away from moisture
pka	10.39±0.20(Predicted)
Appearance	Off-white to light yellow Solid

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H335-H302-H319
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA01KY42	4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	134965-85-8	100mg	$318	2026-05-30	Buy
aablocks	AA01KY42	4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	134965-85-8	250mg	$618	2026-05-30	Buy
aablocks	AA01KY42	4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 95%	134965-85-8	1g	$1853	2026-05-30	Buy
ACHEMBLOCK	S80844	4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine 97%	134965-85-8	250MG	$835	2026-05-27	Buy
ACHEMBLOCK	S80844	4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine 97%	134965-85-8	1G	$2260	2026-05-27	Buy

Product number	Packaging	Price	Buy
AA01KY42	100mg	$318	Buy
AA01KY42	250mg	$618	Buy
AA01KY42	1g	$1853	Buy
S80844	250MG	$835	Buy
S80844	1G	$2260	Buy

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Chemical Properties,Uses,Production

Uses

4'-chloro-7H-4,7h'-pyrrolo[2,3-d]pyrimidine is a Baricitinib and tofacitinib impurity reference substance. It could be used for new drug research and experimental use.

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Preparation Products And Raw materials

Raw materials

Preparation Products

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Suppliers

Global( 58)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ShenZhen H&D Pharmaceutical Technology Co., LTD	+8618627948422	sale@hdimpurity.com	China	3681	58
BOC Sciences	16314854226; +16314854226	inquiry@bocsci.com	United States	19853	58
CR Corporation Limited	+8613062833949	fred.wen@crcorporation.cn	China	8645	58
Hangzhou Huarong Pharm Co., Ltd.	571-86758373 +8613588754946	sales@huarongpharm.com	CHINA	3148	58
Nextpeptide Inc	+86-0571-81612335 +8613336028439	sales@nextpeptide.com	China	19908	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	+undefined18603013401	jack.lin@sincopharmachem.com	China	10000	58
Nanjing Moldeep Biochemical Co., Ltd.	+86-25-58282389 +8618913958656	inquiries@moldeep.com	China	19983	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131957	58
ROSEWA HOLDING GROUP CO.,LIMITED	+86-023-62871537	sales@rosewachem.com	China	2812	58
Shanghai Payne Pharmaceutical Technology Co.Ltd	021-58123769 18678586262	info@paynepharm.com	China	1354	58

Supplier	Advantage
ShenZhen H&D Pharmaceutical Technology Co., LTD	58
BOC Sciences	58
CR Corporation Limited	58
Hangzhou Huarong Pharm Co., Ltd.	58
Nextpeptide Inc	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	58
Nanjing Moldeep Biochemical Co., Ltd.	58
Amadis Chemical Company Limited	58
ROSEWA HOLDING GROUP CO.,LIMITED	58
Shanghai Payne Pharmaceutical Technology Co.Ltd	58

View Lastest Price from 4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine manufacturers

Update time	Product	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-12	Baricitinib Impurity 33 134965-85-8	10mg	0.98	5g	ShenZhen H&D Pharmaceutical Technology Co., LTD
2026-03-12	Baricitinib Impurity 33 134965-85-8	10mg	0.98	10g	ShenZhen H&D Pharmaceutical Technology Co., LTD
2026-03-12	Baricitinib Impurity 33 134965-85-8	10mg	0.98	10g	ShenZhen H&D Pharmaceutical Technology Co., LTD

Baricitinib Impurity 33
134965-85-8
$0.00
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

Baricitinib Impurity 33
134965-85-8
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

Baricitinib Impurity 33
134965-85-8
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Spectrum

4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine(134965-85-8)¹HNMR

134965-85-8(4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine)Related Search:

7H-Pyrrolo[2,3-d]pyrimidine, 4-hydrazinyl- Tofacitinib impurity T 7H-Pyrrolo[2,3-d]pyrimidin-4-amine, N-methyl-N-[(3R,4R)-4-methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3-piperidinyl]- Tofacitinib Impurity 45 Ethyl S-4-chloro-3-hydroxybutyrate

2-amino-4-fluoro-5-nitrobenzoic acid (3R,4R)-N,4-dimethyl-piperidin-3-amine (3R,4R)-3-[(6-amino-4-pyrimidinyl)methylamino]-4-methyl-β-oxo-1-Piperidinepropanenitrile (S)-N4-(3-chloro-4-fluorophenyl)-7-(tetrahydrofuran-3-yloxy)quinazoline-4,6-diaMine Tofacitinib Impurity 20

R-afatinib 6,7-Dihydro-N-methyl-N-[(3R,4R)-4-methyl-3-piperidinyl]-5H-pyrrolo[2,3-d]pyrimidin-4-amine 3-((3R,4R)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanaMide 3-((3S,4S)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile Tofacitinib Impurity 19

3-((3R,4R)-3-((2-chloro-7H-pyrrolo[2,3-d]pyriMidin-4-yl)(Methyl)aMino)-4-Methylpiperidin-1-yl)-3-oxopropanenitrile N-((3R,4S)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (3S,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine

1of4

4'-Chloro-4,7'-bi-7H-pyrrolo[2,3-d]pyrimidine Tofacitinib impurity 21/4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Tofacitinib-27 4,7'-Bi-7H-pyrrolo[2,3-d]pyrimidine, 4'-chloro- Azilsartan medoxomil impurity330 Tofacitinib Related Compound 29Q: What is Tofacitinib Related Compound 29 Q: What is the CAS Number of Tofacitinib Related Compound 29 4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine 4'-Chloro-4,7'-bi-7H-pyrrolo[2,3-d]pyrimidine(Tofacitinib impurity ) 4-chloro-7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrrolo[2,3-d]pyrimidine Tofatinib Impurity 14 Tofatinib impurity 28 4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine Baricitinib Impurity 33 Baritinib Impurity 33 Tofacitinib impurities 134965-85-8

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