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.

1,021 – 1,035 of 1,049 results

1,021

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

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

Pricing & Availability

1,022

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

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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

1,023

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

1,024

Cyclopentane, SPEX CertiPrep™

CAS: 287-92-3 Molecular Formula: C5H10 Molecular Weight (g/mol): 70.135 InChI Key: RGSFGYAAUTVSQA-UHFFFAOYSA-N PubChem CID: 9253 ChEBI: CHEBI:23492 IUPAC Name: cyclopentane SMILES: C1CCCC1

Pricing & Availability
Specifications

PubChem CID	9253
CAS	287-92-3
Molecular Weight (g/mol)	70.135
ChEBI	CHEBI:23492
SMILES	C1CCCC1
IUPAC Name	cyclopentane
InChI Key	RGSFGYAAUTVSQA-UHFFFAOYSA-N
Molecular Formula	C5H10

1,025

Dibromofluoromethane, SPEX CertiPrep™

CAS: 1868-53-7 Molecular Formula: CHBr2F Molecular Weight (g/mol): 191.825 InChI Key: LTUTVFXOEGMHMP-UHFFFAOYSA-N PubChem CID: 61280 IUPAC Name: dibromo(fluoro)methane SMILES: C(F)(Br)Br

Pricing & Availability
Specifications

PubChem CID	61280
CAS	1868-53-7
Molecular Weight (g/mol)	191.825
SMILES	C(F)(Br)Br
IUPAC Name	dibromo(fluoro)methane
InChI Key	LTUTVFXOEGMHMP-UHFFFAOYSA-N
Molecular Formula	CHBr2F

1,026

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™

CAS: 99-76-3 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.149 InChI Key: LXCFILQKKLGQFO-UHFFFAOYSA-N PubChem CID: 7456 ChEBI: CHEBI:31835 IUPAC Name: methyl 4-hydroxybenzoate SMILES: COC(=O)C1=CC=C(C=C1)O

Pricing & Availability
Specifications

PubChem CID	7456
CAS	99-76-3
Molecular Weight (g/mol)	152.149
ChEBI	CHEBI:31835
SMILES	COC(=O)C1=CC=C(C=C1)O
IUPAC Name	methyl 4-hydroxybenzoate
InChI Key	LXCFILQKKLGQFO-UHFFFAOYSA-N
Molecular Formula	C8H8O3

1,027

Skinner List Acid Extractables, SPEX CertiPrep™

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

Pricing & Availability
Specifications

Chemical Name or Material	Skinner List Acid Extractables

1,028

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™

Pricing & Availability

1,029

TCLP Volatiles Spike Without Vinyl Chloride, SPEX CertiPrep™

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

Pricing & Availability

1,030

Ethylbenzene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 100-41-4 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.168 InChI Key: YNQLUTRBYVCPMQ-UHFFFAOYSA-N PubChem CID: 7500 ChEBI: CHEBI:16101 IUPAC Name: ethylbenzene SMILES: CCC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	7500
CAS	100-41-4
Molecular Weight (g/mol)	106.168
ChEBI	CHEBI:16101
SMILES	CCC1=CC=CC=C1
IUPAC Name	ethylbenzene
InChI Key	YNQLUTRBYVCPMQ-UHFFFAOYSA-N
Molecular Formula	C8H10

1,031

Method 614 Kit, SPEX CertiPrep™

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

Pricing & Availability

1,032

3,3'-Dichlorobenzidine Stock Standard, SPEX CertiPrep™

CAS: 91-94-1 Molecular Formula: C12H10Cl2N2 Molecular Weight (g/mol): 253.126 InChI Key: HUWXDEQWWKGHRV-UHFFFAOYSA-N PubChem CID: 7070 ChEBI: CHEBI:82315 IUPAC Name: 4-(4-amino-3-chlorophenyl)-2-chloroaniline SMILES: C1=CC(=C(C=C1C2=CC(=C(C=C2)N)Cl)Cl)N

Pricing & Availability
Specifications

PubChem CID	7070
CAS	91-94-1
Molecular Weight (g/mol)	253.126
ChEBI	CHEBI:82315
SMILES	C1=CC(=C(C=C1C2=CC(=C(C=C2)N)Cl)Cl)N
IUPAC Name	4-(4-amino-3-chlorophenyl)-2-chloroaniline
InChI Key	HUWXDEQWWKGHRV-UHFFFAOYSA-N
Molecular Formula	C12H10Cl2N2

1,033

Surrogate Standard, 4,4'-Dibromobiphenyl, SPEX CertiPrep™

CAS: 92-86-4 Molecular Formula: C12H8Br2 Molecular Weight (g/mol): 312.00 MDL Number: MFCD00000101 InChI Key: HQJQYILBCQPYBI-UHFFFAOYSA-N PubChem CID: 7110 IUPAC Name: 4,4'-dibromo-1,1'-biphenyl SMILES: BrC1=CC=C(C=C1)C1=CC=C(Br)C=C1

Pricing & Availability
Specifications

PubChem CID	7110
CAS	92-86-4
Molecular Weight (g/mol)	312.00
MDL Number	MFCD00000101
SMILES	BrC1=CC=C(C=C1)C1=CC=C(Br)C=C1
IUPAC Name	4,4'-dibromo-1,1'-biphenyl
InChI Key	HQJQYILBCQPYBI-UHFFFAOYSA-N
Molecular Formula	C12H8Br2

1,034

3'-Bromoacetophenone, SPEX CertiPrep™

CAS: 2142-63-4 Molecular Formula: C8H7BrO Molecular Weight (g/mol): 199.047 InChI Key: JYAQYXOVOHJRCS-UHFFFAOYSA-N PubChem CID: 16502 IUPAC Name: 1-(3-bromophenyl)ethanone SMILES: CC(=O)C1=CC(=CC=C1)Br

Pricing & Availability
Specifications

PubChem CID	16502
CAS	2142-63-4
Molecular Weight (g/mol)	199.047
SMILES	CC(=O)C1=CC(=CC=C1)Br
IUPAC Name	1-(3-bromophenyl)ethanone
InChI Key	JYAQYXOVOHJRCS-UHFFFAOYSA-N
Molecular Formula	C8H7BrO

1,035

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

Pricing & Availability
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

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EPA Methods Standards

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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

3,4-Dichlorophenol, 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

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

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

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

TCLP Volatiles Spike Without Vinyl Chloride, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Method 614 Kit, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

bis (2-Chloroisopropyl) Ether, 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™

3,4-Dichlorophenol, SPEX CertiPrep™

Asana (Esfenvalerate), SPEX CertiPrep™

Cyclopentane, SPEX CertiPrep™

Dibromofluoromethane, SPEX CertiPrep™

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™

Skinner List Acid Extractables, SPEX CertiPrep™

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™

TCLP Volatiles Spike Without Vinyl Chloride, SPEX CertiPrep™

Ethylbenzene in Dimethyl Sulfoxide, SPEX CertiPrep™

Method 614 Kit, SPEX CertiPrep™

3,3'-Dichlorobenzidine Stock Standard, SPEX CertiPrep™

Surrogate Standard, 4,4'-Dibromobiphenyl, SPEX CertiPrep™

3'-Bromoacetophenone, SPEX CertiPrep™

bis (2-Chloroisopropyl) Ether, SPEX CertiPrep™