Coumestrol 479-13-0
3 Inquiries
479-13-0
Pharmaceutical Grade
99%
shanghai
25KG DRUM
2023-12-01
Tranexamic acid,Plant extracts,nmn,Alpha Arbutin,food additives,ecdysone
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Coumestrol
Other Name:6H-Benzofuro[3,2-c][1]benzopyran-6-one,3,9-dihydroxy-;3-Benzofurancarboxylic acid,2-(2,4-dihydroxyphenyl)-6-hydroxy-,δ-lactone;3,9-Dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one;Coumestrol;2-(2,4-Dihydroxyphenyl)-6-hydroxy-3-benzofurancarboxylic acid δ-lactone;Cumostrol;Cumoestrol;Coumesterol;NSC 22842;3,9-Dihydroxy-[1]benzofuro[3,2-c]chromen-6-one
CAS No.:479-13-0
Molecular Formula:C15H8O5
InChIKeys:InChIKey=ZZIALNLLNHEQPJ-UHFFFAOYSA-N
Molecular Weight:268.22
Exact Mass:268.22
EC Number:207-525-6
UNII:V7NW98OB34
NSC Number:22842
DSSTox ID:DTXSID6022399
Categories:
Characteristics-
PSA:
79.9
XLogP3:2.94
Appearance:Solid
Density:1.6±0.1 g/cm3
Melting Point:385 °C (decomp)
Boiling Point:406.0±24.0 °C at 760 mmHg
Flash Point:199.3±22.9 °C
Refractive Index:1.768
Water Solubility:DMSO: soluble
Storage Conditions:Refrigerator
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin irritation, Category 2
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Tranexamic acid,Plant extracts,nmn,Alpha Arbutin,food additives,ecdysone
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Location:
Tsinghua Science and Technology Park, Keji 2nd Road, Yanta District, Xi'an City, Shaanxi Province
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
5
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2021
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Certifications:
ISO9001,FDA
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
Australia
Factory supply 99% high quality low price COUMESTROL 479-13-0
25 KG Oct 31, 2023 
Germany
Factory supply 99% high quality low price COUMESTROL 479-13-0
100 KG Sep 2, 2023 
India
Coumestrol
12 G Sep 30, 2024 Post an enquiry for this product