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392995

Sigma-Aldrich

Coumarin 314

Dye content 97 %

Synonym(s):

2,3,5,6-1H,4H-Tetrahydro-9-carbethoxyquinolizino-[9,9a,1-gh]coumarin, Coumarin 504

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About This Item

Empirical Formula (Hill Notation):
C18H19NO4
CAS Number:
55804-66-5
Molecular Weight:
313.35
EC Number:
259-825-1
MDL number:
MFCD00051334
UNSPSC Code:
12171500
PubChem Substance ID:
24864155
NACRES:
NA.47

form

solid

Quality Level

200

composition

Dye content, 97%

mp

140-144 °C (lit.)
146.22-147.36 °C (lit.)

λmax

436 nm
437 nm in ethanol

ε (extinction coefficient)

≥39000 at 389-401 nm in ethanol at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CCOC(=O)C1=Cc2cc3CCCN4CCCc(c2OC1=O)c34

InChI

1S/C18H19NO4/c1-2-22-17(20)14-10-12-9-11-5-3-7-19-8-4-6-13(15(11)19)16(12)23-18(14)21/h9-10H,2-8H2,1H3

InChI key

VMJKUPWQKZFFCX-UHFFFAOYSA-N

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Related Categories

Application

Laser dye.
Suitable as a laser dye

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

392995-VAR:
392995-100MG:
392995-500MG:
392995-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Polymers, 11(2) (2019-04-10)
In this study we present polymeric microneedles composed of multiple layers to control drug release kinetics. Layered microneedles were fabricated by spraying poly(lactic-co-glycolic acid) (PLGA) and polyvinylpyrrolidone (PVP) in sequence, and were characterized by mechanical testing and ex vivo skin
Andrea Doni et al.
The Journal of experimental medicine, 212(6), 905-925 (2015-05-13)
Pentraxin 3 (PTX3) is a fluid-phase pattern recognition molecule and a key component of the humoral arm of innate immunity. In four different models of tissue damage in mice, PTX3 deficiency was associated with increased fibrin deposition and persistence, and

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