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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1,006 – 1,020 of 1,030 results

1,006

5-Nitroacenaphthene, SPEX CertiPrep™

CAS: 602-87-9 Molecular Formula: C12H9NO2 Molecular Weight (g/mol): 199.21 MDL Number: MFCD00014277 InChI Key: CUARLQDWYSRQDF-UHFFFAOYSA-N PubChem CID: 11769 ChEBI: CHEBI:82350 IUPAC Name: 5-nitro-1,2-dihydroacenaphthylene SMILES: [O-][N+](=O)C1=C2C=CC=C3CCC(C=C1)=C23

Pricing & Availability
Specifications

PubChem CID	11769
CAS	602-87-9
Molecular Weight (g/mol)	199.21
ChEBI	CHEBI:82350
MDL Number	MFCD00014277
SMILES	[O-][N+](=O)C1=C2C=CC=C3CCC(C=C1)=C23
IUPAC Name	5-nitro-1,2-dihydroacenaphthylene
InChI Key	CUARLQDWYSRQDF-UHFFFAOYSA-N
Molecular Formula	C12H9NO2

1,007

Barban, SPEX CertiPrep™

CAS: 101-27-9 Molecular Formula: C11H9Cl2NO2 Molecular Weight (g/mol): 258.098 InChI Key: MCOQHIWZJUDQIC-UHFFFAOYSA-N PubChem CID: 7551 ChEBI: CHEBI:33421 IUPAC Name: 4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate SMILES: C1=CC(=CC(=C1)Cl)NC(=O)OCC#CCCl

Pricing & Availability
Specifications

PubChem CID	7551
CAS	101-27-9
Molecular Weight (g/mol)	258.098
ChEBI	CHEBI:33421
SMILES	C1=CC(=CC(=C1)Cl)NC(=O)OCC#CCCl
IUPAC Name	4-chlorobut-2-ynyl N-(3-chlorophenyl)carbamate
InChI Key	MCOQHIWZJUDQIC-UHFFFAOYSA-N
Molecular Formula	C11H9Cl2NO2

1,008

Nitromathan in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 75-52-5 Molecular Formula: CH3NO2 Molecular Weight (g/mol): 61.04 MDL Number: MFCD00007400 InChI Key: LYGJENNIWJXYER-UHFFFAOYSA-N PubChem CID: 6375 ChEBI: CHEBI:77701 IUPAC Name: nitromethane SMILES: C[N+]([O-])=O

Pricing & Availability
Specifications

PubChem CID	6375
CAS	75-52-5
Molecular Weight (g/mol)	61.04
ChEBI	CHEBI:77701
MDL Number	MFCD00007400
SMILES	C[N+]([O-])=O
IUPAC Name	nitromethane
InChI Key	LYGJENNIWJXYER-UHFFFAOYSA-N
Molecular Formula	CH3NO2

1,009

Volatile Organics Additional Analytes Mix D, SPEX CertiPrep™

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

Pricing & Availability

1,010

Dinocap, SPEX CertiPrep™

CAS: 39300-45-3 Molecular Formula: C18H26N2O6 Molecular Weight (g/mol): 366.41

Pricing & Availability
Specifications

CAS	39300-45-3
Molecular Weight (g/mol)	366.41
Molecular Formula	C18H26N2O6

1,011

N,N-Dimethylacetamide in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 127-19-5 Molecular Formula: C4H9NO Molecular Weight (g/mol): 87.12 MDL Number: MFCD00008686 InChI Key: FXHOOIRPVKKKFG-UHFFFAOYSA-N PubChem CID: 31374 ChEBI: CHEBI:84254 IUPAC Name: N,N-dimethylacetamide SMILES: CN(C)C(C)=O

Pricing & Availability
Specifications

PubChem CID	31374
CAS	127-19-5
Molecular Weight (g/mol)	87.12
ChEBI	CHEBI:84254
MDL Number	MFCD00008686
SMILES	CN(C)C(C)=O
IUPAC Name	N,N-dimethylacetamide
InChI Key	FXHOOIRPVKKKFG-UHFFFAOYSA-N
Molecular Formula	C4H9NO

1,012

Dimethoxymethane, SPEX CertiPrep™

CAS: 109-87-5 Molecular Formula: C3H8O2 Molecular Weight (g/mol): 76.095 InChI Key: NKDDWNXOKDWJAK-UHFFFAOYSA-N PubChem CID: 8020 ChEBI: CHEBI:48341 IUPAC Name: dimethoxymethane SMILES: COCOC

Pricing & Availability
Specifications

PubChem CID	8020
CAS	109-87-5
Molecular Weight (g/mol)	76.095
ChEBI	CHEBI:48341
SMILES	COCOC
IUPAC Name	dimethoxymethane
InChI Key	NKDDWNXOKDWJAK-UHFFFAOYSA-N
Molecular Formula	C3H8O2

1,013

Volatile Organics Combination Mix, Analyte Mixes A, C and D, SPEX CertiPrep™

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

Pricing & Availability

1,014

Dibensyl Phthalate, SPEX CertiPrep™

CAS: 523-31-9 Molecular Formula: C22H18O4 Molecular Weight (g/mol): 346.382 InChI Key: UCVPKAZCQPRWAY-UHFFFAOYSA-N PubChem CID: 220773 IUPAC Name: dibenzyl benzene-1,2-dicarboxylate SMILES: C1=CC=C(C=C1)COC(=O)C2=CC=CC=C2C(=O)OCC3=CC=CC=C3

Pricing & Availability
Specifications

PubChem CID	220773
CAS	523-31-9
Molecular Weight (g/mol)	346.382
SMILES	C1=CC=C(C=C1)COC(=O)C2=CC=CC=C2C(=O)OCC3=CC=CC=C3
IUPAC Name	dibenzyl benzene-1,2-dicarboxylate
InChI Key	UCVPKAZCQPRWAY-UHFFFAOYSA-N
Molecular Formula	C22H18O4

1,015

2-Methyltetrahydrofuran, SPEX CertiPrep™

CAS: 96-47-9 Molecular Formula: C5H10O Molecular Weight (g/mol): 86.134 InChI Key: JWUJQDFVADABEY-UHFFFAOYSA-N PubChem CID: 7301 IUPAC Name: 2-methyloxolane SMILES: CC1CCCO1

Pricing & Availability
Specifications

PubChem CID	7301
CAS	96-47-9
Molecular Weight (g/mol)	86.134
SMILES	CC1CCCO1
IUPAC Name	2-methyloxolane
InChI Key	JWUJQDFVADABEY-UHFFFAOYSA-N
Molecular Formula	C5H10O

1,016

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

CAS: 107-40-4 Molecular Formula: C8H16 Molecular Weight (g/mol): 112.216 InChI Key: LAAVYEUJEMRIGF-UHFFFAOYSA-N PubChem CID: 7869 IUPAC Name: 2,4,4-trimethylpent-2-ene SMILES: CC(=CC(C)(C)C)C

Pricing & Availability
Specifications

PubChem CID	7869
CAS	107-40-4
Molecular Weight (g/mol)	112.216
SMILES	CC(=CC(C)(C)C)C
IUPAC Name	2,4,4-trimethylpent-2-ene
InChI Key	LAAVYEUJEMRIGF-UHFFFAOYSA-N
Molecular Formula	C8H16

1,017

Aspon, SPEX CertiPrep™

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

Pricing & Availability

1,018

Benzontrile, SPEX CertiPrep™

CAS: 100-47-0 Molecular Formula: C7H5N Molecular Weight (g/mol): 103.124 InChI Key: JFDZBHWFFUWGJE-UHFFFAOYSA-N PubChem CID: 7505 ChEBI: CHEBI:27991 IUPAC Name: benzonitrile SMILES: C1=CC=C(C=C1)C#N

Pricing & Availability
Specifications

PubChem CID	7505
CAS	100-47-0
Molecular Weight (g/mol)	103.124
ChEBI	CHEBI:27991
SMILES	C1=CC=C(C=C1)C#N
IUPAC Name	benzonitrile
InChI Key	JFDZBHWFFUWGJE-UHFFFAOYSA-N
Molecular Formula	C7H5N

1,019

Propargyl Alcohol, SPEX CertiPrep™

CAS: 107-19-7 Molecular Formula: C3H4O Molecular Weight (g/mol): 56.06 MDL Number: MFCD00002912 InChI Key: TVDSBUOJIPERQY-UHFFFAOYSA-N PubChem CID: 7859 ChEBI: CHEBI:28905 IUPAC Name: prop-2-yn-1-ol SMILES: OCC#C

Pricing & Availability
Specifications

PubChem CID	7859
CAS	107-19-7
Molecular Weight (g/mol)	56.06
ChEBI	CHEBI:28905
MDL Number	MFCD00002912
SMILES	OCC#C
IUPAC Name	prop-2-yn-1-ol
InChI Key	TVDSBUOJIPERQY-UHFFFAOYSA-N
Molecular Formula	C3H4O

1,020

Mix F, SPEX CertiPrep™

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

Pricing & Availability

EPA Methods Standards

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

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

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

Volatile Organics Additional Analytes Mix D, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

Volatile Organics Combination Mix, Analyte Mixes A, C and D, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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

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

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

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

5-Nitroacenaphthene, SPEX CertiPrep™

Barban, SPEX CertiPrep™

Nitromathan in Dimethyl Sulfoxide, SPEX CertiPrep™

Volatile Organics Additional Analytes Mix D, SPEX CertiPrep™

Dinocap, SPEX CertiPrep™

N,N-Dimethylacetamide in Dimethyl Sulfoxide, SPEX CertiPrep™

Dimethoxymethane, SPEX CertiPrep™

Volatile Organics Combination Mix, Analyte Mixes A, C and D, SPEX CertiPrep™

Dibensyl Phthalate, SPEX CertiPrep™

2-Methyltetrahydrofuran, SPEX CertiPrep™

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

Aspon, SPEX CertiPrep™

Benzontrile, SPEX CertiPrep™

Propargyl Alcohol, SPEX CertiPrep™

Mix F, SPEX CertiPrep™