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.

946 – 960 of 1,061 results

946

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

947

4-Chlorobenzotrifluoride, SPEX CertiPrep™

CAS: 98-56-6 Molecular Formula: C7H4ClF3 Molecular Weight (g/mol): 180.554 InChI Key: QULYNCCPRWKEMF-UHFFFAOYSA-N PubChem CID: 7394 IUPAC Name: 1-chloro-4-(trifluoromethyl)benzene SMILES: C1=CC(=CC=C1C(F)(F)F)Cl

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Specifications

PubChem CID	7394
CAS	98-56-6
Molecular Weight (g/mol)	180.554
SMILES	C1=CC(=CC=C1C(F)(F)F)Cl
IUPAC Name	1-chloro-4-(trifluoromethyl)benzene
InChI Key	QULYNCCPRWKEMF-UHFFFAOYSA-N
Molecular Formula	C7H4ClF3

948

2-Chloro-1,3-butadiene, SPEX CertiPrep™

CAS: 126-99-8 Molecular Formula: C4H5Cl Molecular Weight (g/mol): 88.534 InChI Key: YACLQRRMGMJLJV-UHFFFAOYSA-N PubChem CID: 31369 ChEBI: CHEBI:39481 IUPAC Name: 2-chlorobuta-1,3-diene SMILES: C=CC(=C)Cl

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Specifications

PubChem CID	31369
CAS	126-99-8
Molecular Weight (g/mol)	88.534
ChEBI	CHEBI:39481
SMILES	C=CC(=C)Cl
IUPAC Name	2-chlorobuta-1,3-diene
InChI Key	YACLQRRMGMJLJV-UHFFFAOYSA-N
Molecular Formula	C4H5Cl

949

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

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Specifications

CAS	8001-35-2

950

1,2 Dichloroethane in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 107-06-2 Molecular Formula: C2H4Cl2 Molecular Weight (g/mol): 98.95 MDL Number: MFCD00000963 InChI Key: WSLDOOZREJYCGB-UHFFFAOYSA-N PubChem CID: 11 ChEBI: CHEBI:27789 IUPAC Name: 1,2-dichloroethane SMILES: ClCCCl

Pricing & Availability
Specifications

PubChem CID	11
CAS	107-06-2
Molecular Weight (g/mol)	98.95
ChEBI	CHEBI:27789
MDL Number	MFCD00000963
SMILES	ClCCCl
IUPAC Name	1,2-dichloroethane
InChI Key	WSLDOOZREJYCGB-UHFFFAOYSA-N
Molecular Formula	C2H4Cl2

951

trans-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 156-60-5 Molecular Formula: C2H2Cl2 Molecular Weight (g/mol): 96.94 MDL Number: MFCD00062942 InChI Key: KFUSEUYYWQURPO-OWOJBTEDSA-N PubChem CID: 638186 ChEBI: CHEBI:29027 IUPAC Name: (1E)-1,2-dichloroethene SMILES: Cl\C=C\Cl

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Specifications

PubChem CID	638186
CAS	156-60-5
Molecular Weight (g/mol)	96.94
ChEBI	CHEBI:29027
MDL Number	MFCD00062942
SMILES	Cl\C=C\Cl
IUPAC Name	(1E)-1,2-dichloroethene
InChI Key	KFUSEUYYWQURPO-OWOJBTEDSA-N
Molecular Formula	C2H2Cl2

952

1,2-Dimethoxyethane in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 110-71-4 Molecular Formula: C4H10O2 Molecular Weight (g/mol): 90.122 InChI Key: XTHFKEDIFFGKHM-UHFFFAOYSA-N PubChem CID: 8071 ChEBI: CHEBI:42263 IUPAC Name: 1,2-dimethoxyethane SMILES: COCCOC

Pricing & Availability
Specifications

PubChem CID	8071
CAS	110-71-4
Molecular Weight (g/mol)	90.122
ChEBI	CHEBI:42263
SMILES	COCCOC
IUPAC Name	1,2-dimethoxyethane
InChI Key	XTHFKEDIFFGKHM-UHFFFAOYSA-N
Molecular Formula	C4H10O2

953

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

954

1-Methyl-2-pyrrolidinone in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 872-50-4 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.133 InChI Key: SECXISVLQFMRJM-UHFFFAOYSA-N PubChem CID: 13387 ChEBI: CHEBI:7307 IUPAC Name: 1-methylpyrrolidin-2-one SMILES: CN1CCCC1=O

Pricing & Availability
Specifications

PubChem CID	13387
CAS	872-50-4
Molecular Weight (g/mol)	99.133
ChEBI	CHEBI:7307
SMILES	CN1CCCC1=O
IUPAC Name	1-methylpyrrolidin-2-one
InChI Key	SECXISVLQFMRJM-UHFFFAOYSA-N
Molecular Formula	C5H9NO

955

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

956

Carbon Tetrachloride in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 56-23-5 Molecular Formula: CCl4 Molecular Weight (g/mol): 153.81 MDL Number: MFCD00000785 InChI Key: VZGDMQKNWNREIO-UHFFFAOYSA-N PubChem CID: 5943 ChEBI: CHEBI:27385 IUPAC Name: tetrachloromethane SMILES: ClC(Cl)(Cl)Cl

Pricing & Availability
Specifications

PubChem CID	5943
CAS	56-23-5
Molecular Weight (g/mol)	153.81
ChEBI	CHEBI:27385
MDL Number	MFCD00000785
SMILES	ClC(Cl)(Cl)Cl
IUPAC Name	tetrachloromethane
InChI Key	VZGDMQKNWNREIO-UHFFFAOYSA-N
Molecular Formula	CCl4

957

Chloroform in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 67-66-3 Molecular Formula: CHCl3 Molecular Weight (g/mol): 119.37 MDL Number: MFCD00000826 InChI Key: HEDRZPFGACZZDS-UHFFFAOYSA-N IUPAC Name: trichloromethane SMILES: ClC(Cl)Cl

Pricing & Availability
Specifications

CAS	67-66-3
Molecular Weight (g/mol)	119.37
MDL Number	MFCD00000826
SMILES	ClC(Cl)Cl
IUPAC Name	trichloromethane
InChI Key	HEDRZPFGACZZDS-UHFFFAOYSA-N
Molecular Formula	CHCl3

958

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™

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

Pricing & Availability

959

Analyte Mix, SPEX CertiPrep™

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

Pricing & Availability

960

Volatile Organics Combination Mix D, SPEX CertiPrep™

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

Pricing & Availability

EPA Methods Standards

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

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

2-Chloro-1,3-butadiene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

1,2 Dichloroethane in Dimethyl Sulfoxide, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

trans-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,2-Dimethoxyethane in Dimethyl Sulfoxide, 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

1-Methyl-2-pyrrolidinone in Dimethyl Sulfoxide, 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

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

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

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Volatile Organics Combination Mix D, 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™

4-Chlorobenzotrifluoride, SPEX CertiPrep™

2-Chloro-1,3-butadiene, SPEX CertiPrep™

Toxaphene Standard, High Level, SPEX CertiPrep™

1,2 Dichloroethane in Dimethyl Sulfoxide, SPEX CertiPrep™

trans-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

1,2-Dimethoxyethane in Dimethyl Sulfoxide, SPEX CertiPrep™

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

1-Methyl-2-pyrrolidinone in Dimethyl Sulfoxide, SPEX CertiPrep™

Nitromathan in Dimethyl Sulfoxide, SPEX CertiPrep™

Carbon Tetrachloride in Dimethyl Sulfoxide, SPEX CertiPrep™

Chloroform in Dimethyl Sulfoxide, SPEX CertiPrep™

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™

Analyte Mix, SPEX CertiPrep™

Volatile Organics Combination Mix D, SPEX CertiPrep™