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.

961 – 975 of 1,064 results

961

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

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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

962

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

963

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

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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

964

p-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 106-42-3 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008556 InChI Key: URLKBWYHVLBVBO-UHFFFAOYSA-N PubChem CID: 7809 ChEBI: CHEBI:27417 IUPAC Name: 1,4-xylene SMILES: CC1=CC=C(C)C=C1

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Specifications

PubChem CID	7809
CAS	106-42-3
Molecular Weight (g/mol)	106.17
ChEBI	CHEBI:27417
MDL Number	MFCD00008556
SMILES	CC1=CC=C(C)C=C1
IUPAC Name	1,4-xylene
InChI Key	URLKBWYHVLBVBO-UHFFFAOYSA-N
Molecular Formula	C8H10

965

2,2,'3,3',4,5',6,6'-Octachlorobiphenyl, SPEX CertiPrep™

CAS: 40186-71-8 Molecular Formula: C12H2Cl8 Molecular Weight (g/mol): 429.748 InChI Key: LJQOBQLZTUSEJA-UHFFFAOYSA-N PubChem CID: 38410 IUPAC Name: 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene SMILES: C1=C(C(=C(C(=C1Cl)Cl)Cl)C2=C(C(=CC(=C2Cl)Cl)Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	38410
CAS	40186-71-8
Molecular Weight (g/mol)	429.748
SMILES	C1=C(C(=C(C(=C1Cl)Cl)Cl)C2=C(C(=CC(=C2Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene
InChI Key	LJQOBQLZTUSEJA-UHFFFAOYSA-N
Molecular Formula	C12H2Cl8

966

2,2',3,3',4,3',6-Heptachlorobiphenyl, SPEX CertiPrep™

CAS: 52663-71-5 Molecular Formula: C12H3Cl7 Molecular Weight (g/mol): 395.306 InChI Key: TZMHVHLTPWKZCI-UHFFFAOYSA-N PubChem CID: 40478 IUPAC Name: 1,2,3,5-tetrachloro-4-(2,3,4-trichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1C2=C(C(=C(C=C2Cl)Cl)Cl)Cl)Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	40478
CAS	52663-71-5
Molecular Weight (g/mol)	395.306
SMILES	C1=CC(=C(C(=C1C2=C(C(=C(C=C2Cl)Cl)Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3,5-tetrachloro-4-(2,3,4-trichlorophenyl)benzene
InChI Key	TZMHVHLTPWKZCI-UHFFFAOYSA-N
Molecular Formula	C12H3Cl7

967

Tetradifon, SPEX CertiPrep™

CAS: 116-29-0 Molecular Formula: C12H6Cl4O2S Molecular Weight (g/mol): 356.038 InChI Key: MLGCXEBRWGEOQX-UHFFFAOYSA-N PubChem CID: 8305 ChEBI: CHEBI:39330 IUPAC Name: 1,2,4-trichloro-5-(4-chlorophenyl)sulfonylbenzene SMILES: C1=CC(=CC=C1S(=O)(=O)C2=CC(=C(C=C2Cl)Cl)Cl)Cl

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Specifications

PubChem CID	8305
CAS	116-29-0
Molecular Weight (g/mol)	356.038
ChEBI	CHEBI:39330
SMILES	C1=CC(=CC=C1S(=O)(=O)C2=CC(=C(C=C2Cl)Cl)Cl)Cl
IUPAC Name	1,2,4-trichloro-5-(4-chlorophenyl)sulfonylbenzene
InChI Key	MLGCXEBRWGEOQX-UHFFFAOYSA-N
Molecular Formula	C12H6Cl4O2S

968

Phthalic Acid Di-n-Amyl Ester, SPEX CertiPrep™

CAS: 131-18-0 Molecular Formula: C18H26O4 Molecular Weight (g/mol): 306.402 InChI Key: IPKKHRVROFYTEK-UHFFFAOYSA-N PubChem CID: 8561 ChEBI: CHEBI:34680 IUPAC Name: dipentyl benzene-1,2-dicarboxylate SMILES: CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC

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Specifications

PubChem CID	8561
CAS	131-18-0
Molecular Weight (g/mol)	306.402
ChEBI	CHEBI:34680
SMILES	CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC
IUPAC Name	dipentyl benzene-1,2-dicarboxylate
InChI Key	IPKKHRVROFYTEK-UHFFFAOYSA-N
Molecular Formula	C18H26O4

969

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

970

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

971

Low Level Semivolatile Control Sample, SPEX CertiPrep™

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

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972

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

973

3-Chlorophenol, SPEX CertiPrep™

CAS: 108-43-0 Molecular Formula: C6H5ClO Molecular Weight (g/mol): 128.56 MDL Number: MFCD00002256 InChI Key: HORNXRXVQWOLPJ-UHFFFAOYSA-N PubChem CID: 7933 ChEBI: CHEBI:38855 IUPAC Name: 3-chlorophenol SMILES: OC1=CC=CC(Cl)=C1

Pricing & Availability
Specifications

PubChem CID	7933
CAS	108-43-0
Molecular Weight (g/mol)	128.56
ChEBI	CHEBI:38855
MDL Number	MFCD00002256
SMILES	OC1=CC=CC(Cl)=C1
IUPAC Name	3-chlorophenol
InChI Key	HORNXRXVQWOLPJ-UHFFFAOYSA-N
Molecular Formula	C6H5ClO

974

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

Pricing & Availability
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

975

VOA Additional Analytes Mix D, High Level, SPEX CertiPrep™

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

Pricing & Availability

EPA Methods Standards

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Ethylbenzene in Dimethyl Sulfoxide, 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

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

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

2,2,'3,3',4,5',6,6'-Octachlorobiphenyl, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2,2',3,3',4,3',6-Heptachlorobiphenyl, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Phthalic Acid Di-n-Amyl Ester, 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

Barban, 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

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

3-Chlorophenol, 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

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