EPA Methods Standards

Environmental Protection Agency standards suitable for use as reference materials for assaying environmental sample conditions; includes standards for use in determining air, water, and soil quality.

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871 – 885 of 995 results

871

Tetraethylene Glycol, SPEX CertiPrep™

CAS: 112-60-7 Molecular Formula: C8H18O5 Molecular Weight (g/mol): 194.227 InChI Key: UWHCKJMYHZGTIT-UHFFFAOYSA-N PubChem CID: 8200 ChEBI: CHEBI:44920 IUPAC Name: 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethanol SMILES: C(COCCOCCOCCO)O

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Specifications

PubChem CID	8200
CAS	112-60-7
Molecular Weight (g/mol)	194.227
ChEBI	CHEBI:44920
SMILES	C(COCCOCCOCCO)O
IUPAC Name	2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethanol
InChI Key	UWHCKJMYHZGTIT-UHFFFAOYSA-N
Molecular Formula	C8H18O5

872

Internal Standard, Fluorobenzene, SPEX CertiPrep™

CAS: 462-06-6 Molecular Formula: C6H5F Molecular Weight (g/mol): 96.10 MDL Number: MFCD00000280 InChI Key: PYLWMHQQBFSUBP-UHFFFAOYSA-N PubChem CID: 10008 ChEBI: CHEBI:5115 IUPAC Name: fluorobenzene SMILES: FC1=CC=CC=C1

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Specifications

PubChem CID	10008
CAS	462-06-6
Molecular Weight (g/mol)	96.10
ChEBI	CHEBI:5115
MDL Number	MFCD00000280
SMILES	FC1=CC=CC=C1
IUPAC Name	fluorobenzene
InChI Key	PYLWMHQQBFSUBP-UHFFFAOYSA-N
Molecular Formula	C6H5F

873

bis (2-Chloroisopropyl) Ether, SPEX CertiPrep™

CAS: 108-60-1 Molecular Formula: C6H12Cl2O Molecular Weight (g/mol): 171.061 InChI Key: QCFYJCYNJLBDRT-UHFFFAOYSA-N PubChem CID: 7944 ChEBI: CHEBI:82409 IUPAC Name: 1-chloro-2-(1-chloropropan-2-yloxy)propane SMILES: CC(CCl)OC(C)CCl

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Specifications

PubChem CID	7944
CAS	108-60-1
Molecular Weight (g/mol)	171.061
ChEBI	CHEBI:82409
SMILES	CC(CCl)OC(C)CCl
IUPAC Name	1-chloro-2-(1-chloropropan-2-yloxy)propane
InChI Key	QCFYJCYNJLBDRT-UHFFFAOYSA-N
Molecular Formula	C6H12Cl2O

874

1,5-Dimethylnaphthalene, SPEX CertiPrep™

CAS: 582-16-1 Molecular Formula: C12H12 Molecular Weight (g/mol): 156.23 MDL Number: MFCD00004121 InChI Key: LRQYSMQNJLZKPS-UHFFFAOYSA-N PubChem CID: 11396 ChEBI: CHEBI:48632 IUPAC Name: 2,7-dimethylnaphthalene SMILES: CC1=CC2=CC(C)=CC=C2C=C1

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Specifications

PubChem CID	11396
CAS	582-16-1
Molecular Weight (g/mol)	156.23
ChEBI	CHEBI:48632
MDL Number	MFCD00004121
SMILES	CC1=CC2=CC(C)=CC=C2C=C1
IUPAC Name	2,7-dimethylnaphthalene
InChI Key	LRQYSMQNJLZKPS-UHFFFAOYSA-N
Molecular Formula	C12H12

875

Formamide in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 75-12-7 Molecular Formula: CH3NO Molecular Weight (g/mol): 45.04 MDL Number: MFCD00007941 InChI Key: ZHNUHDYFZUAESO-UHFFFAOYSA-N PubChem CID: 713 ChEBI: CHEBI:48431 IUPAC Name: formamide SMILES: NC=O

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Specifications

PubChem CID	713
CAS	75-12-7
Molecular Weight (g/mol)	45.04
ChEBI	CHEBI:48431
MDL Number	MFCD00007941
SMILES	NC=O
IUPAC Name	formamide
InChI Key	ZHNUHDYFZUAESO-UHFFFAOYSA-N
Molecular Formula	CH3NO

876

1,1-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 75-35-4 Molecular Formula: C2H2Cl2 Molecular Weight (g/mol): 96.938 InChI Key: LGXVIGDEPROXKC-UHFFFAOYSA-N PubChem CID: 6366 ChEBI: CHEBI:34031 IUPAC Name: 1,1-dichloroethene SMILES: C=C(Cl)Cl

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Specifications

PubChem CID	6366
CAS	75-35-4
Molecular Weight (g/mol)	96.938
ChEBI	CHEBI:34031
SMILES	C=C(Cl)Cl
IUPAC Name	1,1-dichloroethene
InChI Key	LGXVIGDEPROXKC-UHFFFAOYSA-N
Molecular Formula	C2H2Cl2

877

2,2',3',4,6-Pentachlorobiphenyl, SPEX CertiPrep™

CAS: 60233-25-2 Molecular Formula: C12H5Cl5 Molecular Weight (g/mol): 326.422 InChI Key: GOFFZTAPOOICFT-UHFFFAOYSA-N PubChem CID: 43238 IUPAC Name: 1,3,5-trichloro-2-(2,3-dichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1)Cl)Cl)C2=C(C=C(C=C2Cl)Cl)Cl

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Specifications

PubChem CID	43238
CAS	60233-25-2
Molecular Weight (g/mol)	326.422
SMILES	C1=CC(=C(C(=C1)Cl)Cl)C2=C(C=C(C=C2Cl)Cl)Cl
IUPAC Name	1,3,5-trichloro-2-(2,3-dichlorophenyl)benzene
InChI Key	GOFFZTAPOOICFT-UHFFFAOYSA-N
Molecular Formula	C12H5Cl5

878

TCLP Volatiles Spike Without Vinyl Chloride, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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879

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

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880

Volatile Organics Combination Mix D, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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881

Solids Concentrate Wastewater QC Sample, SPEX CertiPrep™

Solids Concentrate Wastewater QC Sample, 23 mL vial, SPEX CertiPrep™. ISO Guide 34 Certified

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882

Asana (Esfenvalerate), SPEX CertiPrep™

CAS: 66230-04-4 Molecular Formula: C25H22ClNO3 Molecular Weight (g/mol): 419.905 InChI Key: NYPJDWWKZLNGGM-RPWUZVMVSA-N PubChem CID: 10342051 ChEBI: CHEBI:39346 IUPAC Name: [(S)-cyano-(3-phenoxyphenyl)methyl] (2S)-2-(4-chlorophenyl)-3-methylbutanoate SMILES: CC(C)C(C1=CC=C(C=C1)Cl)C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3

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Specifications

PubChem CID	10342051
CAS	66230-04-4
Molecular Weight (g/mol)	419.905
ChEBI	CHEBI:39346
SMILES	CC(C)C(C1=CC=C(C=C1)Cl)C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3
IUPAC Name	[(S)-cyano-(3-phenoxyphenyl)methyl] (2S)-2-(4-chlorophenyl)-3-methylbutanoate
InChI Key	NYPJDWWKZLNGGM-RPWUZVMVSA-N
Molecular Formula	C25H22ClNO3

883

Dimethylpolysiloxane, SPEX CertiPrep™

CAS: 9016-00-6 Molecular Formula: (C2H6OSi)n Molecular Weight (g/mol): 74.15 MDL Number: MFCD00084411 InChI Key: SEUDSDUUJXTXSV-UHFFFAOYSA-N IUPAC Name: dimethylsilanone SMILES: C[Si](C)(-*)O-*

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Specifications

CAS	9016-00-6
Molecular Weight (g/mol)	74.15
MDL Number	MFCD00084411
SMILES	C[Si](C)(-)O-
IUPAC Name	dimethylsilanone
InChI Key	SEUDSDUUJXTXSV-UHFFFAOYSA-N
Molecular Formula	(C2H6OSi)n

884

SPEX CertiPrep USP Elemental Impurities Kit, Spex CertiPrep

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885

Low Level Volatile Control Sample, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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