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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856 – 870 of 1,030 results

856

1,2-Dichlorobenzene-d4, SPEX CertiPrep™

CAS: 2199-69-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 151.02 MDL Number: MFCD00037106 InChI Key: RFFLAFLAYFXFSW-RHQRLBAQSA-N PubChem CID: 519913 IUPAC Name: 1,2-dichloro-3,4,5,6-tetradeuteriobenzene SMILES: [2H]C1=C([2H])C([2H])=C(Cl)C(Cl)=C1[2H]

Pricing & Availability
Specifications

PubChem CID	519913
CAS	2199-69-1
Molecular Weight (g/mol)	151.02
MDL Number	MFCD00037106
SMILES	[2H]C1=C([2H])C([2H])=C(Cl)C(Cl)=C1[2H]
IUPAC Name	1,2-dichloro-3,4,5,6-tetradeuteriobenzene
InChI Key	RFFLAFLAYFXFSW-RHQRLBAQSA-N
Molecular Formula	C6H4Cl2

857

Crotoxyphos, SPEX CertiPrep™

CAS: 7700-17-6 Molecular Formula: C14H19O6P Molecular Weight (g/mol): 314.274 InChI Key: XXXSILNSXNPGKG-ZHACJKMWSA-N PubChem CID: 5371578 ChEBI: CHEBI:82110 IUPAC Name: 1-phenylethyl (E)-3-dimethoxyphosphoryloxybut-2-enoate SMILES: CC(C1=CC=CC=C1)OC(=O)C=C(C)OP(=O)(OC)OC

Pricing & Availability
Specifications

PubChem CID	5371578
CAS	7700-17-6
Molecular Weight (g/mol)	314.274
ChEBI	CHEBI:82110
SMILES	CC(C1=CC=CC=C1)OC(=O)C=C(C)OP(=O)(OC)OC
IUPAC Name	1-phenylethyl (E)-3-dimethoxyphosphoryloxybut-2-enoate
InChI Key	XXXSILNSXNPGKG-ZHACJKMWSA-N
Molecular Formula	C14H19O6P

858

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

859

Siduron, SPEX CertiPrep™

CAS: 1982-49-6 Molecular Formula: C14H20N2O Molecular Weight (g/mol): 232.33 MDL Number: MFCD00072453 InChI Key: JXVIIQLNUPXOII-UHFFFAOYNA-N PubChem CID: 16116 ChEBI: CHEBI:81744 IUPAC Name: 1-(2-methylcyclohexyl)-3-phenylurea SMILES: CC1CCCCC1NC(=O)NC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	16116
CAS	1982-49-6
Molecular Weight (g/mol)	232.33
ChEBI	CHEBI:81744
MDL Number	MFCD00072453
SMILES	CC1CCCCC1NC(=O)NC1=CC=CC=C1
IUPAC Name	1-(2-methylcyclohexyl)-3-phenylurea
InChI Key	JXVIIQLNUPXOII-UHFFFAOYNA-N
Molecular Formula	C14H20N2O

860

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

Pricing & Availability
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

861

Acid Matrix Spike, SPEX CertiPrep™

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

Pricing & Availability

862

4,4'-Dichlorobenzophenone, SPEX CertiPrep™

CAS: 90-98-2 Molecular Formula: C13H8Cl2O Molecular Weight (g/mol): 251.11 MDL Number: MFCD00000623 InChI Key: OKISUZLXOYGIFP-UHFFFAOYSA-N PubChem CID: 7034 ChEBI: CHEBI:27519 IUPAC Name: bis(4-chlorophenyl)methanone SMILES: ClC1=CC=C(C=C1)C(=O)C1=CC=C(Cl)C=C1

Pricing & Availability
Specifications

PubChem CID	7034
CAS	90-98-2
Molecular Weight (g/mol)	251.11
ChEBI	CHEBI:27519
MDL Number	MFCD00000623
SMILES	ClC1=CC=C(C=C1)C(=O)C1=CC=C(Cl)C=C1
IUPAC Name	bis(4-chlorophenyl)methanone
InChI Key	OKISUZLXOYGIFP-UHFFFAOYSA-N
Molecular Formula	C13H8Cl2O

863

Aroclor 1268, High Level, SPEX CertiPrep™

CAS: 37324-23-5

Pricing & Availability
Specifications

CAS	37324-23-5

864

Volatile Calibration Standard, SPEX CertiPrep™

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

Pricing & Availability

865

Isophorone, SPEX CertiPrep™

CAS: 78-59-1 Molecular Formula: C9H14O Molecular Weight (g/mol): 138.21 MDL Number: MFCD00001584 InChI Key: HJOVHMDZYOCNQW-UHFFFAOYSA-N PubChem CID: 6544 ChEBI: CHEBI:34800 IUPAC Name: 3,5,5-trimethylcyclohex-2-en-1-one SMILES: CC1=CC(=O)CC(C)(C)C1

Pricing & Availability
Specifications

PubChem CID	6544
CAS	78-59-1
Molecular Weight (g/mol)	138.21
ChEBI	CHEBI:34800
MDL Number	MFCD00001584
SMILES	CC1=CC(=O)CC(C)(C)C1
IUPAC Name	3,5,5-trimethylcyclohex-2-en-1-one
InChI Key	HJOVHMDZYOCNQW-UHFFFAOYSA-N
Molecular Formula	C9H14O

866

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

867

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

868

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

Pricing & Availability
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

869

Pentachlorophenol, SPEX CertiPrep™

CAS: 87-86-5 Molecular Formula: C6HCl5O Molecular Weight (g/mol): 266.323 InChI Key: IZUPBVBPLAPZRR-UHFFFAOYSA-N PubChem CID: 992 ChEBI: CHEBI:17642 IUPAC Name: 2,3,4,5,6-pentachlorophenol SMILES: C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)O

Pricing & Availability
Specifications

PubChem CID	992
CAS	87-86-5
Molecular Weight (g/mol)	266.323
ChEBI	CHEBI:17642
SMILES	C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)O
IUPAC Name	2,3,4,5,6-pentachlorophenol
InChI Key	IZUPBVBPLAPZRR-UHFFFAOYSA-N
Molecular Formula	C6HCl5O

870

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

Pricing & Availability
Specifications

CAS	8001-35-2

EPA Methods Standards

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1,2-Dichlorobenzene-d4, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Crotoxyphos, 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

Siduron, 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

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

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

Aroclor 1268, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Isophorone, 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

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

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

Pentachlorophenol, 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