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ChemicalBook >> CAS DataBase List >> 4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine

4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine

$6 - $2152.5
Product name: 4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine
CAS: 479633-63-1
MF: C13H10ClN3O2S
MW: 307.76
EINECS:811-000-2
MDL Number:MFCD09907939
Synonyms:Tofacitinib Impurity R;4-Chloro-7-(p-tolylsulfonyl)pyrrolo[2,3-d]pyrimidine;4-CHLORO-7-[(4-METHYLPHENYL)SULFONYL]-7H-PYRROLO[2,3-D]PYRIMIDINE;4-CHLORO-7-TOSYL-7H-PYRROLO[2,3-D]PYRIMIDINE;4-Chloro-7-tosyl-7H-pyrro...;4-Chloro-7-[(4-methylbenzene)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine;4-Chloro-7-p-toluenesulphonyl-7H-pyrrolo[2,3-d]pyrimidine;7H-Pyrrolo[2,3-D]pyriMidine,4-chloro-7-[(4-Methylphenyl)sulfonyl]-

Price50 Properties Safety Information Description

50 prices

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aablocks
AK Scientific
American Custom Chemicals Corporation
Apolloscientific
Biosynth
Chemenu
Chem-Impex
Crysdot
Heterocyclics
Matrix Scientific
Sigma-Aldrich
SynQuest Laboratories
Synthonix
TCI Chemical

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Manufactureraablocks
Product numberAA003L3A
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 96%
Packaging5g
Price$6
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003L3A
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 96%
Packaging10g
Price$10
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003L3A
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥97%
Packaging25g
Price$15
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003L3A
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 98%
Packaging100g
Price$52
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003L3A
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 98%
Packaging500g
Price$253
Updated2026-05-28
Buy

ManufacturerAK Scientific
Product numberAMTH013
Product description4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine
Packaging1g
Price$10
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product numberAMTH013
Product description4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine 97%
Packaging5g
Price$17
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberAMTH013
Product description4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine 97%
Packaging1g
Price$12
Updated2026-06-04
Buy

ManufacturerAK Scientific
Product numberAMTH013
Product description4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine
Packaging5g
Price$15
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberAPI0027895
Product description4-CHLORO-7-TOSYL-7H-PYRROLO[2,3-D]PYRIMIDINE 95.00%
Packaging1G
Price$722.8
Updated2021-12-16
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ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%
Packaging10g
Price$538
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine
Packaging10g
Price$573
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%
Packaging5g
Price$307
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine
Packaging5g
Price$327
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%
Packaging1g
Price$102
Updated2026-06-04
Buy

ManufacturerApolloscientific
Product numberOR317249
Product description4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine
Packaging1g
Price$109
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003L3A	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 96%	5g	$6	2026-05-28	Buy
aablocks	AA003L3A	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 96%	10g	$10	2026-05-28	Buy
aablocks	AA003L3A	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥97%	25g	$15	2026-05-28	Buy
aablocks	AA003L3A	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 98%	100g	$52	2026-05-28	Buy
aablocks	AA003L3A	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine 98%	500g	$253	2026-05-28	Buy
AK Scientific	AMTH013	4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine	1g	$10	2021-12-16	Buy
AK Scientific	AMTH013	4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine 97%	5g	$17	2026-06-04	Buy
AK Scientific	AMTH013	4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine 97%	1g	$12	2026-06-04	Buy
AK Scientific	AMTH013	4-Chloro-7-(toluene-4-sulfonyl)-7H-pyrrolo[2,3-d]pyrimidine	5g	$15	2021-12-16	Buy
American Custom Chemicals Corporation	API0027895	4-CHLORO-7-TOSYL-7H-PYRROLO[2,3-D]PYRIMIDINE 95.00%	1G	$722.8	2021-12-16	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%	10g	$538	2026-06-04	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine	10g	$573	2021-12-16	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%	5g	$307	2026-06-04	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine	5g	$327	2021-12-16	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine ≥95%	1g	$102	2026-06-04	Buy
Apolloscientific	OR317249	4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine	1g	$109	2021-12-16	Buy

Next Last

Properties

Melting point :145.0 to 149.0 °C
Boiling point :505.3±60.0 °C(Predicted)
Density :1.49
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :Chloroform (Slightly), DMSO (Slightly)
form :powder to crystal
pka :1.73±0.30(Predicted)
color :White to Orange to Green
InChI :InChI=1S/C13H10ClN3O2S/c1-9-2-4-10(5-3-9)20(18,19)17-7-6-11-12(14)15-8-16-13(11)17/h2-8H,1H3
InChIKey :BTOJSYRZQZOMOK-UHFFFAOYSA-N
SMILES :C1=NC(Cl)=C2C=CN(S(C3=CC=C(C)C=C3)(=O)=O)C2=N1

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning		P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313	IF SKIN irritation occurs: Get medical advice/attention.
P337+P313	IF eye irritation persists: Get medical advice/attention.

Description

4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine is a reagent in the synthesis of (+)-tofacitinib, a selective Janus kinase 3 inhibitor (JAK3) and an immunosuppressant drug.

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Suppliers and manufacturers

Henan Fengda Chemical Co., Ltd

4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine CAS:479633-63-1

Shanghai Minbiotech Co., Ltd.

Huanfu Industrial Co.，（Shanghai）Ltd.

Capot Chemical Co.,Ltd.

Shanghai Daken Advanced Materials Co.,Ltd

Beijing Cooperate Pharmaceutical Co.,Ltd

Hi-Tech Chemistry Corp

Henan Tianfu Chemical Co.,Ltd.

Nanjing ChemLin Chemical Industry Co., Ltd.

ATK CHEMICAL COMPANY LIMITED

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4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine

Properties

Safety Information

Description

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