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1-(Thiophen-2-yl)piperazine
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1-(Thiophen-2-yl)piperazine
Catalog Number:
(TCD2233-025G)
Supplier:
TCI America
Description:
CAS Number: 22591-21-5
MDL Number: MFCD00069423 Molecular Formula: C6H10Cl2O Molecular Weight: 169.05 Purity/Analysis Method: >98.0% (GC) Form: Crystal Boiling point (°C): 178 Melting point (°C): 50
Supplier:
AMBEED, INC
Description:
(S)-(2'-Methoxy-[1,1'-binaphthalen]-2-yl)diphenylphosphine, Purity: 98%, CAS number: 134484-36-9, Appearance: Solid, Storage: Inert atmosphere, Room Temperature, Size: 1G
Catalog Number:
(77415-502)
Supplier:
APOLLO SCIENTIFIC
Description:
5-Chloro-1,1-difluoro-3-oxapentane
Catalog Number:
(76646-376)
Supplier:
AMBEED, INC
Description:
(S)-6,6'-Dibromo-[1,1'-binaphthalene]-2,2'-diamine, Purity: 98%, CAS Number: 947337-17-9, Appearance: Solid, Storage: Keep in dark place, Inert atmosphere, Room temperature, Size: 250MG
Supplier:
AMBEED, INC
Description:
(S)-2,2',3,3'-Tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol, Purity: 98% 99%ee, CAS Number: 223259-63-0, Appearance: White to Yellow Powder or crystals, Storage: Inert atmosphere, Room Temperature, Size: 250mg
Supplier:
VWR International
Description:
VWR® Good Laboratory Practice Notebooks feature user data, guidelines, table of contents, and documentation pages with researcher and witness signature blocks.
Supplier:
AMBEED, INC
Description:
4''-Ethyl-2'-fluoro-4-propyl-1,1':4',1''-terphenyl, Purity: 97%, CAS Number: 95759-44-7, Appearance: Solid or liquid, Storage: Sealed in dry, Room Temperature, Size: 25g
Supplier:
Thermo Scientific Chemicals
Description:
(R)-(+)-2, 2-Bis(diphenylphosphino)-1, 1-binaphthyl, Purity: 98%, CAS Number: 76189-55-4, molecular formula: C44H32P2, color: White, Form: Powder, Synonyms: (R)-(+)-BINAP, 250mg
Supplier:
AMBEED, INC
Description:
(R)-(+)-2,2'-Bis(di-p-tolylphosphino)-1,1'-binaphthyl 98%
Supplier:
VWR International
Description:
Cleanroom paper is designed for writing, printing, and photocopying in cleanroom environments where the prevention of chemical exportation and particle contamination is critical. Designed for writing, printing, and photocopying in cleanroom environments.
Supplier:
AMBEED, INC
Description:
2,2'-Dimethoxy-1,1'-binaphthalene, Purity: 97%, CAS number: 2960-93-2, Appearance: Form: solid, Storage: Sealed in dry, Room Temperature, Size: 5G
Catalog Number:
(59582-440)
Supplier:
VWR International
Description:
These black, high percentage rubber stoppers are low in free sulfur and have two holes to facilitate laboratory procedures.
Catalog Number:
(SX5081-PC)
Supplier:
SPEX CERTIPREP LLC
Description:
Pesticides, PCBs and Herbicides
The EPA is tasked with the monitoring of environmental systems as they pertain to contamination and human health. The methods issued by the EPA are created to respond to specific toxins or persistent organic pollutants (POPs) found in environmental samples such as soil, source water, drinking water, and waste. In particular, pollutants such as polychlorinated biphenyls (PCBs), which were in widespread industrial use up until their restriction, are of concern due to their stable and persistent nature in the environment. Another group of chemicals of high concern is the hundreds of commercial pesticides and herbicides in use in the world today. Pesticides, from algaecides to virucides, are used in large quantities in industrial and private agriculture. The concern over human pesticide exposure over the past few decades has led to extensive monitoring of these pesticides. It has been reported that over 98% of insecticides and 95% of herbicides affect areas other than their intended target product. It is essential that monitoring agencies have accurate standard mixes to measure the pesticide levels in the environment. Many new pesticides are now being tested using highly sensitive LC/MS techniques, in addition to traditional GC techniques, to determine minute amounts of residue in environmental samples and food products. At SPEX CertiPrep, we facilitate ease of monitoring and testing of pesticides by creating pesticide test mixes to suit your monitoring needs. SPEX CertiPrep is the leader in offering pesticide standards designed to work within EPA, AOAC and FDA analytical testing methods using all of the leading analytical techniques: LC, LC/MS, GC, and GC/MS. Many pesticide standard mixes are readily available in our catalog along with a large list of single pesticide standards. In addition, custom pesticide mixes can be made to your specifications to create a mix that meets your needs. US EPA Method 508 is an analytical method for the monitoring of organochlorine pesticides and PCBs in drinking water and ground water by GC/ECD
Supplier:
AMBEED, INC
Description:
(S)-2,2'-Bis((R)-4-isobutyl-4,5-dihydrooxazol-2-yl)-1,1'-binaphthalene ≥97%
Supplier:
TCI America
Description:
4,4'-Dibromo-1,1'-spirobiindane-7,7'-diol, Purity: >98%(GC), CAS Number: 681481-91-4, MF: C17H14Br2O2, MW: 410.11, Synonym: 4,4'-Dibromo-7,7'-dihydroxy-1,1'-spirobiindane, Form: Crystal-Powder, Solid, Color: White-Slightly pale reddish yellow, Size: 1G
Supplier:
AOB CHEM USA
Description:
3-(1,1-Difluoro-methoxy)-4-fluoro-phenol ≥97%
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the
 is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the
is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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