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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901 – 915 of 995 results

901

Mix F, SPEX CertiPrep™

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

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902

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

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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

903

Free Acids Mix; SPEX CertiPrep™

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

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904

4-tert-Butylphenol, SPEX CertiPrep™

CAS: 98-54-4 Molecular Formula: C10H14O Molecular Weight (g/mol): 150.221 InChI Key: QHPQWRBYOIRBIT-UHFFFAOYSA-N PubChem CID: 7393 ChEBI: CHEBI:34444 IUPAC Name: 4-tert-butylphenol SMILES: CC(C)(C)C1=CC=C(C=C1)O

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Specifications

PubChem CID	7393
CAS	98-54-4
Molecular Weight (g/mol)	150.221
ChEBI	CHEBI:34444
SMILES	CC(C)(C)C1=CC=C(C=C1)O
IUPAC Name	4-tert-butylphenol
InChI Key	QHPQWRBYOIRBIT-UHFFFAOYSA-N
Molecular Formula	C10H14O

905

Picloram Methyl Ester, SPEX CertiPrep™

CAS: 14143-55-6 Molecular Formula: C7H5Cl3N2O2 Molecular Weight (g/mol): 255.479 InChI Key: RJQUHEYNLDNJLN-UHFFFAOYSA-N PubChem CID: 84224 IUPAC Name: methyl 4-amino-3,5,6-trichloropyridine-2-carboxylate SMILES: COC(=O)C1=NC(=C(C(=C1Cl)N)Cl)Cl

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Specifications

PubChem CID	84224
CAS	14143-55-6
Molecular Weight (g/mol)	255.479
SMILES	COC(=O)C1=NC(=C(C(=C1Cl)N)Cl)Cl
IUPAC Name	methyl 4-amino-3,5,6-trichloropyridine-2-carboxylate
InChI Key	RJQUHEYNLDNJLN-UHFFFAOYSA-N
Molecular Formula	C7H5Cl3N2O2

906

Low Level Semivolatile Control Sample, SPEX CertiPrep™

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

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907

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™

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

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908

2-Chloropropene, SPEX CertiPrep™

CAS: 557-98-2 Molecular Formula: C3H5Cl Molecular Weight (g/mol): 76.523 InChI Key: PNLQPWWBHXMFCA-UHFFFAOYSA-N PubChem CID: 11203 IUPAC Name: 2-chloroprop-1-ene SMILES: CC(=C)Cl

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Specifications

PubChem CID	11203
CAS	557-98-2
Molecular Weight (g/mol)	76.523
SMILES	CC(=C)Cl
IUPAC Name	2-chloroprop-1-ene
InChI Key	PNLQPWWBHXMFCA-UHFFFAOYSA-N
Molecular Formula	C3H5Cl

909

Surrogate Standard, SPEX CertiPrep™

CAS: 110-56-5 Molecular Formula: C4H8Cl2 Molecular Weight (g/mol): 127.01 MDL Number: MFCD00001011 InChI Key: KJDRSWPQXHESDQ-UHFFFAOYSA-N PubChem CID: 8059 IUPAC Name: 1,4-dichlorobutane SMILES: ClCCCCCl

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Specifications

PubChem CID	8059
CAS	110-56-5
Molecular Weight (g/mol)	127.01
MDL Number	MFCD00001011
SMILES	ClCCCCCl
IUPAC Name	1,4-dichlorobutane
InChI Key	KJDRSWPQXHESDQ-UHFFFAOYSA-N
Molecular Formula	C4H8Cl2

910

3-Chlorotoluene, SPEX CertiPrep™

CAS: 108-41-8 Molecular Formula: C7H7Cl Molecular Weight (g/mol): 126.58 MDL Number: MFCD00000595 InChI Key: OSOUNOBYRMOXQQ-UHFFFAOYSA-N PubChem CID: 7931 IUPAC Name: 1-chloro-3-methylbenzene SMILES: CC1=CC=CC(Cl)=C1

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Specifications

PubChem CID	7931
CAS	108-41-8
Molecular Weight (g/mol)	126.58
MDL Number	MFCD00000595
SMILES	CC1=CC=CC(Cl)=C1
IUPAC Name	1-chloro-3-methylbenzene
InChI Key	OSOUNOBYRMOXQQ-UHFFFAOYSA-N
Molecular Formula	C7H7Cl

911

Internal Standard, 1-Chloro-2-fluorobenzene, SPEX CertiPrep™

CAS: 348-51-6 Molecular Formula: C6H4ClF Molecular Weight (g/mol): 130.55 MDL Number: MFCD00000533 InChI Key: ZCJAYDKWZAWMPR-UHFFFAOYSA-N PubChem CID: 9583 IUPAC Name: 1-chloro-2-fluorobenzene SMILES: FC1=CC=CC=C1Cl

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Specifications

PubChem CID	9583
CAS	348-51-6
Molecular Weight (g/mol)	130.55
MDL Number	MFCD00000533
SMILES	FC1=CC=CC=C1Cl
IUPAC Name	1-chloro-2-fluorobenzene
InChI Key	ZCJAYDKWZAWMPR-UHFFFAOYSA-N
Molecular Formula	C6H4ClF

912

Acetonitrile in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 75-05-8 Molecular Formula: C2H3N Molecular Weight (g/mol): 41.053 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N

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Specifications

PubChem CID	6342
CAS	75-05-8
Molecular Weight (g/mol)	41.053
ChEBI	CHEBI:38472
SMILES	CC#N
IUPAC Name	acetonitrile
InChI Key	WEVYAHXRMPXWCK-UHFFFAOYSA-N
Molecular Formula	C2H3N

913

2,7-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

914

PubChem CID	8059
CAS	110-56-5
Molecular Weight (g/mol)	127.01
MDL Number	MFCD00001011
SMILES	ClCCCCCl
IUPAC Name	1,4-dichlorobutane
InChI Key	KJDRSWPQXHESDQ-UHFFFAOYSA-N
Molecular Formula	C4H8Cl2

915

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

EPA Methods Standards

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Mix F, 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

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

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

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

Low Level Semivolatile Control Sample, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

Internal Standard, 1-Chloro-2-fluorobenzene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

2,7-Dimethylnaphthalene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

Mix F, SPEX CertiPrep™

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

Free Acids Mix; SPEX CertiPrep™

4-tert-Butylphenol, SPEX CertiPrep™

Picloram Methyl Ester, SPEX CertiPrep™

Low Level Semivolatile Control Sample, SPEX CertiPrep™

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™

2-Chloropropene, SPEX CertiPrep™

Surrogate Standard, SPEX CertiPrep™

3-Chlorotoluene, SPEX CertiPrep™

Internal Standard, 1-Chloro-2-fluorobenzene, SPEX CertiPrep™

Acetonitrile in Dimethyl Sulfoxide, SPEX CertiPrep™

2,7-Dimethylnaphthalene, SPEX CertiPrep™

1,4-Dichlorobutane, SPEX CertiPrep™

5-Nitroacenaphthene, SPEX CertiPrep™