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ChemicalBook >> CAS DataBase List >> UK 1

UK 1

$85 - $1767
Product name: UK 1
CAS: 151271-53-3
MF: C22H14N2O5
MW: 386.36
EINECS:
MDL Number:
Synonyms:UK 1;UK 1 (cytotoxin);2'-(2-Hydroxyphenyl)-[2,4'-bibenzoxazole]-4-carboxylic acid methyl ester;[2,4'-Bibenzoxazole]-4-carboxylic acid, 2'-(2-hydroxyphenyl)-, methyl ester;UK-1, Topoisomerase II (Topo II) inhibitor

Price16 Properties Safety Information Description

16 prices

Selected condition：

Brand

aablocks
Adipogen Life Sciences
AK Scientific
American Custom Chemicals Corporation
ApexBio Technology
Cayman Chemical
ChemScene
TRC
Usbiological

Package

250ug
250μg
500ug
1mg
5mg

Manufactureraablocks
Product numberAA001N59
Product descriptionUK 1 >98%
Packaging1mg
Price$448
Updated2026-05-28
Buy

ManufacturerAdipogen Life Sciences
Product numberBVT-0013-M001
Product descriptionAntibiotic UK-1 ≥98%(HPLC)
Packaging1mg
Price$255
Updated2026-05-06
Buy

ManufacturerAdipogen Life Sciences
Product numberBVT-0013-C250
Product descriptionAntibiotic UK-1 ≥98%(HPLC)
Packaging250μg
Price$85
Updated2026-05-06
Buy

ManufacturerAK Scientific
Product number9025CA
Product descriptionMethyl2'-(2-hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylate
Packaging5mg
Price$1390
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberINB0009863
Product description2-[2-(2-HYDROXYPHENYL)BENZOXAZOL-4-YL]BENZOXAZOLE-4-CARBOXYLIC ACID METHYL ESTER 95.00%
Packaging5MG
Price$496.71
Updated2021-12-16
Buy

ManufacturerApexBio Technology
Product numberC5006
Product descriptionUK 1
Packaging5mg
Price$1767
Updated2026-05-06
Buy

ManufacturerApexBio Technology
Product numberC5006
Product descriptionUK 1
Packaging1mg
Price$416
Updated2026-05-06
Buy

ManufacturerCayman Chemical
Product number20139
Product descriptionUK 1 ≥95%
Packaging5mg
Price$1197
Updated2026-04-30
Buy

ManufacturerCayman Chemical
Product number20139
Product descriptionUK 1 ≥95%
Packaging1mg
Price$252
Updated2026-04-30
Buy

ManufacturerChemScene
Product numberCS-0106677
Product descriptionUK-1
Packaging1mg
Price$710
Updated2026-06-04
Buy

ManufacturerTRC
Product numberU700623
Product descriptionUK-1
Packaging250μg
Price$110
Updated2021-12-16
Buy

ManufacturerUsbiological
Product number207430
Product descriptionUK-1 (Antibiotic) (UK1, Methyl 2'-(2-hydroxyphenyl) -[2,4'-bibenzo[d]oxazole]-4-carboxylate, 2'- (2-Hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylic acid methyl ester) ≥98%(HPLC)
Packaging250ug
Price$316
Updated2026-06-03
Buy

ManufacturerUsbiological
Product number468442
Product descriptionUK-1
Packaging250ug
Price$396
Updated2026-06-03
Buy

ManufacturerUsbiological
Product numberU0884-01
Product descriptionUK-1 (Antibiotic) ~95%(HPLC)
Packaging1mg
Price$513
Updated2026-06-04
Buy

ManufacturerUsbiological
Product number207430
Product descriptionUK-1 (Antibiotic) (UK1, Methyl 2'-(2-hydroxyphenyl) -[2,4'-bibenzo[d]oxazole]-4-carboxylate, 2'- (2-Hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylic acid methyl ester) ≥98%(HPLC)
Packaging1mg
Price$522
Updated2026-06-03
Buy

ManufacturerUsbiological
Product number468442
Product descriptionUK-1
Packaging500ug
Price$559
Updated2026-06-03
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA001N59	UK 1 >98%	1mg	$448	2026-05-28	Buy
Adipogen Life Sciences	BVT-0013-M001	Antibiotic UK-1 ≥98%(HPLC)	1mg	$255	2026-05-06	Buy
Adipogen Life Sciences	BVT-0013-C250	Antibiotic UK-1 ≥98%(HPLC)	250μg	$85	2026-05-06	Buy
AK Scientific	9025CA	Methyl2'-(2-hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylate	5mg	$1390	2021-12-16	Buy
American Custom Chemicals Corporation	INB0009863	2-[2-(2-HYDROXYPHENYL)BENZOXAZOL-4-YL]BENZOXAZOLE-4-CARBOXYLIC ACID METHYL ESTER 95.00%	5MG	$496.71	2021-12-16	Buy
ApexBio Technology	C5006	UK 1	5mg	$1767	2026-05-06	Buy
ApexBio Technology	C5006	UK 1	1mg	$416	2026-05-06	Buy
Cayman Chemical	20139	UK 1 ≥95%	5mg	$1197	2026-04-30	Buy
Cayman Chemical	20139	UK 1 ≥95%	1mg	$252	2026-04-30	Buy
ChemScene	CS-0106677	UK-1	1mg	$710	2026-06-04	Buy
TRC	U700623	UK-1	250μg	$110	2021-12-16	Buy
Usbiological	207430	UK-1 (Antibiotic) (UK1, Methyl 2'-(2-hydroxyphenyl) -[2,4'-bibenzo[d]oxazole]-4-carboxylate, 2'- (2-Hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylic acid methyl ester) ≥98%(HPLC)	250ug	$316	2026-06-03	Buy
Usbiological	468442	UK-1	250ug	$396	2026-06-03	Buy
Usbiological	U0884-01	UK-1 (Antibiotic) ~95%(HPLC)	1mg	$513	2026-06-04	Buy
Usbiological	207430	UK-1 (Antibiotic) (UK1, Methyl 2'-(2-hydroxyphenyl) -[2,4'-bibenzo[d]oxazole]-4-carboxylate, 2'- (2-Hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylic acid methyl ester) ≥98%(HPLC)	1mg	$522	2026-06-03	Buy
Usbiological	468442	UK-1	500ug	$559	2026-06-03	Buy

Properties

Melting point :209-210℃
Boiling point :541.4±30.0 °C(Predicted)
Density :1.396±0.06 g/cm3(Predicted)
storage temp. :Store at -20°C
solubility :Soluble in DMSO;Soluble in dimethyl formamide
form :solid
pka :8.55±0.30(Predicted)
color :White to off-white

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning		P264, P280, P305+P351+P338,P337+P313P

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P304+P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P330	Rinse mouth.
P337+P313	IF eye irritation persists: Get medical advice/attention.
P501	Dispose of contents/container to..…

Description

UK 1 is a metabolite from Streptomyces sp. 517-02 that demonstrates cytotoxic activity against various cancer cell lines, though it does not have antibacterial effects. It has been shown to inhibit topoisomerase II and also to inhibit hepatitis C viral replication.

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UK 1

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