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ChemicalBook >> CAS DataBase List >> Cyclobis(1,4-butylene terephthalate)

Cyclobis(1,4-butylene terephthalate)

$155 - $2336.5
Product name: Cyclobis(1,4-butylene terephthalate)
CAS: 63440-93-7
MF: C24H24O8
MW: 440.44
EINECS:
MDL Number:MFCD22572530
Synonyms:1,4-Butanediol-terephthaloyl Chloride Cyclic DiMer;3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-10,12,22,24,25,27-hexaene-2,9,14,21-tetrone;Cyclobis(1,4-butylene terephthalate);Pharacin;Pharacine;3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone;PBT Impurity 1;PBT DIMER

Price11 Properties Safety Information Description

11 prices

Selected condition：

Brand

ACHEMBLOCK
AK Scientific
Biosynth
Medical Isotopes, Inc.
TRC

Package

1mg
2mg
5mg
10MG
25mg
50MG

ManufacturerACHEMBLOCK
Product numberX209122
Product description3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone 95%
Packaging10MG
Price$315
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberX209122
Product description3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone 95%
Packaging50MG
Price$940
Updated2026-05-27
Buy

ManufacturerAK Scientific
Product number3964BB
Product descriptionPharacine
Packaging10mg
Price$522
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product number3964BB
Product descriptionPharacine
Packaging50mg
Price$1535
Updated2021-12-16
Buy

ManufacturerBiosynth
Product numberFP63527
Product descriptionPharacine
Packaging10mg
Price$1963.3
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFP63527
Product descriptionPharacine
Packaging25mg
Price$2336.5
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFP63527
Product descriptionPharacine
Packaging1mg
Price$510.44
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFP63527
Product descriptionPharacine
Packaging5mg
Price$1256.45
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberFP63527
Product descriptionPharacine
Packaging2mg
Price$785.3
Updated2026-06-04
Buy

ManufacturerMedical Isotopes, Inc.
Product number52706
Product descriptionPharacine
Packaging5mg
Price$675
Updated2021-12-16
Buy

ManufacturerTRC
Product numberP294550
Product descriptionPharacine
Packaging5mg
Price$155
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
ACHEMBLOCK	X209122	3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone 95%	10MG	$315	2026-05-27	Buy
ACHEMBLOCK	X209122	3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone 95%	50MG	$940	2026-05-27	Buy
AK Scientific	3964BB	Pharacine	10mg	$522	2021-12-16	Buy
AK Scientific	3964BB	Pharacine	50mg	$1535	2021-12-16	Buy
Biosynth	FP63527	Pharacine	10mg	$1963.3	2026-06-04	Buy
Biosynth	FP63527	Pharacine	25mg	$2336.5	2026-06-04	Buy
Biosynth	FP63527	Pharacine	1mg	$510.44	2026-06-04	Buy
Biosynth	FP63527	Pharacine	5mg	$1256.45	2026-06-04	Buy
Biosynth	FP63527	Pharacine	2mg	$785.3	2026-06-04	Buy
Medical Isotopes, Inc.	52706	Pharacine	5mg	$675	2021-12-16	Buy
TRC	P294550	Pharacine	5mg	$155	2021-12-16	Buy

Properties

Melting point :193-195°C
Boiling point :753.4±60.0 °C(Predicted)
Density :1.208±0.06 g/cm3(Predicted)
storage temp. :Refrigerator
solubility :Acetonitrile (Slightly, Heated)Chloroform (Slightly), Dichloromethane (Slightly)
form :Solid
color :White to Off-White

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning	P264, P270, P301+P312, P330, P501
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
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P280	Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Pharacine is a natural p-cyclophane from the bacterial strain Cytophaga sp. AM13.1. Pharacine is a poly(butylene terephthalate) dimer.

More related product prices

3,8,15,20,27,32-Hexaoxatetracyclo[32.2.2.210,13.222,25]dotetraconta-1(3

Suppliers and manufacturers

Shochem(Shanghai) Co.,Ltd

Standardpharm Co. Ltd.

Finetech Industry Limited

HANGZHOU LEAP CHEM CO., LTD.

Sinco Pharmachem (ShenZhen) R&D Co., Ltd. J & K SCIENTIFIC LTD. ZHIWE CHEMTECH CO LTD Suzhou Zehou Biotechnology Co. , Ltd. Chemsky（shanghai）International Co.,Ltd. BOC Sciences

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Cyclobis(1,4-butylene terephthalate)

Properties

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Description

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