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 1,030 results

871

SPEX CertiPrep USP Elemental Impurities Kit, Spex CertiPrep

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872

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

Pricing & Availability
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

873

Methylene Chloride in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 75-09-2 Molecular Formula: CH2Cl2 Molecular Weight (g/mol): 84.93 MDL Number: MFCD00000881 InChI Key: YMWUJEATGCHHMB-UHFFFAOYSA-N PubChem CID: 6344 ChEBI: CHEBI:15767 IUPAC Name: dichloromethane SMILES: ClCCl

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Specifications

PubChem CID	6344
CAS	75-09-2
Molecular Weight (g/mol)	84.93
ChEBI	CHEBI:15767
MDL Number	MFCD00000881
SMILES	ClCCl
IUPAC Name	dichloromethane
InChI Key	YMWUJEATGCHHMB-UHFFFAOYSA-N
Molecular Formula	CH2Cl2

874

2,3,6-Trimethylnaphthalene, SPEX CertiPrep™

CAS: 829-26-5 Molecular Formula: C13H14 Molecular Weight (g/mol): 170.255 InChI Key: UNBZRJCHIWTUHB-UHFFFAOYSA-N PubChem CID: 13237 IUPAC Name: 2,3,6-trimethylnaphthalene SMILES: CC1=CC2=CC(=C(C=C2C=C1)C)C

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Specifications

PubChem CID	13237
CAS	829-26-5
Molecular Weight (g/mol)	170.255
SMILES	CC1=CC2=CC(=C(C=C2C=C1)C)C
IUPAC Name	2,3,6-trimethylnaphthalene
InChI Key	UNBZRJCHIWTUHB-UHFFFAOYSA-N
Molecular Formula	C13H14

875

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™

CAS: 107-39-1 Molecular Formula: C8H16 Molecular Weight (g/mol): 112.216 InChI Key: FXNDIJDIPNCZQJ-UHFFFAOYSA-N PubChem CID: 7868 IUPAC Name: 2,4,4-trimethylpent-1-ene SMILES: CC(=C)CC(C)(C)C

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Specifications

PubChem CID	7868
CAS	107-39-1
Molecular Weight (g/mol)	112.216
SMILES	CC(=C)CC(C)(C)C
IUPAC Name	2,4,4-trimethylpent-1-ene
InChI Key	FXNDIJDIPNCZQJ-UHFFFAOYSA-N
Molecular Formula	C8H16

876

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

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877

2,4,4-Trimethyl-1-Pentanol, SPEX CertiPrep™

CAS: 16325-63-6 Molecular Formula: C8H18O Molecular Weight (g/mol): 130.231 InChI Key: ZNRVRWHPZZOTIE-UHFFFAOYSA-N PubChem CID: 85984 IUPAC Name: 2,4,4-trimethylpentan-1-ol SMILES: CC(CC(C)(C)C)CO

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Specifications

PubChem CID	85984
CAS	16325-63-6
Molecular Weight (g/mol)	130.231
SMILES	CC(CC(C)(C)C)CO
IUPAC Name	2,4,4-trimethylpentan-1-ol
InChI Key	ZNRVRWHPZZOTIE-UHFFFAOYSA-N
Molecular Formula	C8H18O

878

Long List Appendix IX, Polynuclear Aromatic Hydrocarbons Mix, SPEX CertiPrep™

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

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879

m-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 108-38-3 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008536 InChI Key: IVSZLXZYQVIEFR-UHFFFAOYSA-N PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC Name: 1,3-xylene SMILES: CC1=CC(C)=CC=C1

Pricing & Availability
Specifications

PubChem CID	7929
CAS	108-38-3
Molecular Weight (g/mol)	106.17
ChEBI	CHEBI:28488
MDL Number	MFCD00008536
SMILES	CC1=CC(C)=CC=C1
IUPAC Name	1,3-xylene
InChI Key	IVSZLXZYQVIEFR-UHFFFAOYSA-N
Molecular Formula	C8H10

880

Tetryl, SPEX CertiPrep™

CAS: 479-45-8 Molecular Formula: C7H5N5O8 Molecular Weight (g/mol): 287.144 InChI Key: AGUIVNYEYSCPNI-UHFFFAOYSA-N PubChem CID: 10178 ChEBI: CHEBI:28950 IUPAC Name: N-methyl-N-(2,4,6-trinitrophenyl)nitramide SMILES: CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]

Pricing & Availability
Specifications

PubChem CID	10178
CAS	479-45-8
Molecular Weight (g/mol)	287.144
ChEBI	CHEBI:28950
SMILES	CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
IUPAC Name	N-methyl-N-(2,4,6-trinitrophenyl)nitramide
InChI Key	AGUIVNYEYSCPNI-UHFFFAOYSA-N
Molecular Formula	C7H5N5O8

881

3,4-Dichlorotoluene, SPEX CertiPrep™

CAS: 95-75-0 Molecular Formula: C7H6Cl2 Molecular Weight (g/mol): 161.025 InChI Key: WYUIWKFIFOJVKW-UHFFFAOYSA-N PubChem CID: 7256 IUPAC Name: 1,2-dichloro-4-methylbenzene SMILES: CC1=CC(=C(C=C1)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	7256
CAS	95-75-0
Molecular Weight (g/mol)	161.025
SMILES	CC1=CC(=C(C=C1)Cl)Cl
IUPAC Name	1,2-dichloro-4-methylbenzene
InChI Key	WYUIWKFIFOJVKW-UHFFFAOYSA-N
Molecular Formula	C7H6Cl2

882

3,4-Dichlorophenol, SPEX CertiPrep™

CAS: 95-77-2 Molecular Formula: C6H4Cl2O Molecular Weight (g/mol): 163.00 MDL Number: MFCD00002258 InChI Key: WDNBURPWRNALGP-UHFFFAOYSA-N PubChem CID: 7258 ChEBI: CHEBI:34323 IUPAC Name: 3,4-dichlorophenol SMILES: OC1=CC=C(Cl)C(Cl)=C1

Pricing & Availability
Specifications

PubChem CID	7258
CAS	95-77-2
Molecular Weight (g/mol)	163.00
ChEBI	CHEBI:34323
MDL Number	MFCD00002258
SMILES	OC1=CC=C(Cl)C(Cl)=C1
IUPAC Name	3,4-dichlorophenol
InChI Key	WDNBURPWRNALGP-UHFFFAOYSA-N
Molecular Formula	C6H4Cl2O

883

GC Degradation Check Solution, SPEX CertiPrep™

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

Pricing & Availability

884

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™

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

Pricing & Availability

885

Nitrogen-Phosphorous Pesticides Mix D, SPEX CertiPrep™

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

Pricing & Availability
Specifications

Chemical Name or Material	Nitrogen-Phosphorus Pesticides Mix D

EPA Methods Standards

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SPEX CertiPrep USP Elemental Impurities Kit, Spex CertiPrep Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Asana (Esfenvalerate), SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methylene Chloride in Dimethyl Sulfoxide, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2,3,6-Trimethylnaphthalene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2,4,4-Trimethyl-1-Pentanol, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Long List Appendix IX, Polynuclear Aromatic Hydrocarbons Mix, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

m-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Tetryl, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

3,4-Dichlorotoluene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

3,4-Dichlorophenol, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

GC Degradation Check Solution, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Nitrogen-Phosphorous Pesticides Mix D, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

SPEX CertiPrep USP Elemental Impurities Kit, Spex CertiPrep

Asana (Esfenvalerate), SPEX CertiPrep™

Methylene Chloride in Dimethyl Sulfoxide, SPEX CertiPrep™

2,3,6-Trimethylnaphthalene, SPEX CertiPrep™

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

2,4,4-Trimethyl-1-Pentanol, SPEX CertiPrep™

Long List Appendix IX, Polynuclear Aromatic Hydrocarbons Mix, SPEX CertiPrep™

m-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

Tetryl, SPEX CertiPrep™

3,4-Dichlorotoluene, SPEX CertiPrep™

3,4-Dichlorophenol, SPEX CertiPrep™

GC Degradation Check Solution, SPEX CertiPrep™

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™

Nitrogen-Phosphorous Pesticides Mix D, SPEX CertiPrep™