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Coumarin 138

Coumarin 138 structure

CAS No.: 62669-74-3

Chemical Name:: Coumarin 138

Synonyms: Nsc315247;Aids128993;Aids-128993;Coumarin 138;Sigma Coumarin 138;Coumarin 138, laser grade,99%;7-Dimethylamino-2,3-dihydro-1H-cyclopenta[c]chromen-4-one;7-(Dimethylamino)-2,3-dihydrocyclopenta[C]chromen-4(1H)-one;7-(dimethylamino)-2,3-dihydro-cyclopenta[c][1]benzopyran-4(1h)-on;7-(dimethylamino)-2,3-dihydrocyclopenta[c][1]benzopyran-4(1h)-one

CBNumber:: CB1498006

Molecular Formula:: C14H15NO2

Molecular Weight:: 229.27

MDL Number:: MFCD00041833

MOL File:: 62669-74-3.mol

MSDS File:: SDS

Last updated:2026-05-27 23:38:31

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Coumarin 138 Properties

Melting point	153°C
Boiling point	371.18°C (rough estimate)
Density	1.0955 (rough estimate)
refractive index	1.5300 (estimate)
form	Crystals or Flakes
pka	3.78±0.20(Predicted)
color	Yellow to green-yellow
CAS DataBase Reference	62669-74-3
FDA UNII	PFA9H1AI52
EPA Substance Registry System	Cyclopenta[c][1]benzopyran-4(1H)-one, 7-(dimethylamino)-2,3-dihydro- (62669-74-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

TSCA

TSCA listed

NFPA 704

	0
2		0

Coumarin 138 price More Price(6)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	R751448	COUMARIN 138 AldrichCPR	62669-74-3	50MG	$197	2026-04-30	Buy
Biosynth	FC148441	Coumarin 138	62669-74-3	50mg	$63	2021-12-16	Buy
Biosynth	FC148441	Coumarin 138	62669-74-3	100mg	$110	2021-12-16	Buy
Biosynth	FC148441	Coumarin 138	62669-74-3	250mg	$220	2021-12-16	Buy
Biosynth	FC148441	Coumarin 138	62669-74-3	500mg	$380	2021-12-16	Buy

Product number	Packaging	Price	Buy
R751448	50MG	$197	Buy
FC148441	50mg	$63	Buy
FC148441	100mg	$110	Buy
FC148441	250mg	$220	Buy
FC148441	500mg	$380	Buy

Coumarin 138 Chemical Properties, Uses, Production

Description

coumarin 138 is a fluorescent probe.

Chemical Properties

yellow to green-yellow crystals or flakes

Coumarin 138 Preparation Products And Raw materials

Raw materials

Preparation Products

Coumarin 138 Suppliers

Global Suppliers ( 19)

Supplier	Tel	Email	Country	ProdList	Advantage
Shenzhen Regent Biochemical Technology Co., Ltd.	0755-85201366 18938635012	sales@regentsciences.com	China	9384	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
Henan Dowon Chemical Technology Co., Ltd.	16696119288	779113375@qq.com	China	7401	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53589	58

Supplier	Advantage
Shenzhen Regent Biochemical Technology Co., Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
Henan Dowon Chemical Technology Co., Ltd.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58

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7-Dimethylamino-2,3-dihydro-1H-cyclopenta[c]chromen-4-one 7-(dimethylamino)-2,3-dihydrocyclopenta[c][1]benzopyran-4(1h)-one Coumarin 138 7-(dimethylamino)-2,3-dihydro-cyclopenta[c][1]benzopyran-4(1h)-on Sigma Coumarin 138 Coumarin 138, laser grade,99% 7-(Dimethylamino)-2,3-dihydrocyclopenta[C]chromen-4(1H)-one Aids128993 Aids-128993 Nsc315247 62669-74-3