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640611

Sigma-Aldrich

3-Chloro-7-hydroxy-4-methylcoumarin

97%

Synonym(s):

3-Chloro-4-methylumbelliferone

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About This Item

Empirical Formula (Hill Notation):
C10H7ClO3
CAS Number:
6174-86-3
Molecular Weight:
210.61
EC Number:
228-217-8
MDL number:
MFCD00006851
UNSPSC Code:
12352100
PubChem Substance ID:
24882654
NACRES:
NA.22

Quality Level

100

assay

97%

form

solid

mp

240-244 °C (lit.)

functional group

chloro
ester

SMILES string

CC1=C(Cl)C(=O)Oc2cc(O)ccc12

InChI

1S/C10H7ClO3/c1-5-7-3-2-6(12)4-8(7)14-10(13)9(5)11/h2-4,12H,1H3

InChI key

ODZHLDRQCZXQFQ-UHFFFAOYSA-N

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
09028DC
07002BC

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R L Harcourt et al.
Letters in applied microbiology, 34(4), 263-268 (2002-04-10)
To develop a simple, rapid and sensitive fluorimetric assay to detect, isolate and characterize a soil bacterium capable of degrading the organophosphorus pesticide, coumaphos. A high throughput microtitre plate-based method was used to quantify coumaphos hydrolysis by the bacterium. The
J K Malik et al.
Toxicology letters, 7(6), 449-452 (1981-03-01)
Administration of [14C]chlorferron in a single oral dose of 0.5 and 20 mg/kg body weight to female rats resulted in a urinary excretion of greater than 74% of the given dose during the first 24 h. Approx. 8% of the
V Simeon-Rudolf et al.
Chemico-biological interactions, 119-120, 119-128 (1999-07-27)
Inhibition of recombinant mouse wild type AChE (EC 3.1.1.7) and BChE (EC 3.1.1.8), and AChE peripheral site-directed mutants and human serum BChE variants by 4,4'-bipyridine (4,4'-BP) and the coumarin derivative 3-chloro-7-hydroxy-4-methylcoumarin (CHMC) was studied. The enzyme activity was measured with
J K Malik et al.
Archives of toxicology, 48(1), 51-59 (1981-08-01)
The biotransformation and disposition of 3-chloro-4-methyl-(4-14C)-7-hydroxycoumarin [(14C) chlorferron] were investigated in rats after single oral administration. Following administration of (14C) chlorferron at 0.5 and 20 mg/kg body weight to male rats, greater than 90% of the given dose was eliminated
J K Malik et al.
Advances in experimental medicine and biology, 136 Pt A, 839-846 (1981-01-01)
The distribution, excretion and biotransformation of 3-chloro-4-methyl-(4-14C)-7-hydroxycoumarin [(14C) chlorferron] were studied in the rats after single oral administration. Male and female Wistar rats were given single oral doses of 0.5 and 20.0 mg/kg body weight of (14C) chlorferron and routes
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