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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796 – 810 of 989 results

796

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

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Specifications

CAS	8001-35-2

797

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

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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

798

Performance Check Standard, SPEX CertiPrep™

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

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799

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

800

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

801

Low Level Semivolatile Control Sample, SPEX CertiPrep™

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

Pricing & Availability

802

3-Methylthipene, SPEX CertiPrep™

CAS: 616-44-4 Molecular Formula: C5H6S Molecular Weight (g/mol): 98.163 InChI Key: QENGPZGAWFQWCZ-UHFFFAOYSA-N PubChem CID: 12024 IUPAC Name: 3-methylthiophene SMILES: CC1=CSC=C1

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Specifications

PubChem CID	12024
CAS	616-44-4
Molecular Weight (g/mol)	98.163
SMILES	CC1=CSC=C1
IUPAC Name	3-methylthiophene
InChI Key	QENGPZGAWFQWCZ-UHFFFAOYSA-N
Molecular Formula	C5H6S

803

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

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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

804

2,6,11,15-Tetramethylhexadecane, SPEX CertiPrep™

CAS: 504-44-9 Molecular Formula: C20H42 Molecular Weight (g/mol): 282.556 InChI Key: KKFZXXATNGJPJS-UHFFFAOYSA-N PubChem CID: 136331 IUPAC Name: 2,6,11,15-tetramethylhexadecane SMILES: CC(C)CCCC(C)CCCCC(C)CCCC(C)C

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Specifications

PubChem CID	136331
CAS	504-44-9
Molecular Weight (g/mol)	282.556
SMILES	CC(C)CCCC(C)CCCCC(C)CCCC(C)C
IUPAC Name	2,6,11,15-tetramethylhexadecane
InChI Key	KKFZXXATNGJPJS-UHFFFAOYSA-N
Molecular Formula	C20H42

805

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

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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

806

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

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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

807

1,2-Difluorotetrachloroethane, SPEX CertiPrep™

CAS: 76-12-0 Molecular Formula: C2Cl4F2 Molecular Weight (g/mol): 203.819 InChI Key: UGCSPKPEHQEOSR-UHFFFAOYSA-N PubChem CID: 6427 IUPAC Name: 1,1,2,2-tetrachloro-1,2-difluoroethane SMILES: C(C(F)(Cl)Cl)(F)(Cl)Cl

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Specifications

PubChem CID	6427
CAS	76-12-0
Molecular Weight (g/mol)	203.819
SMILES	C(C(F)(Cl)Cl)(F)(Cl)Cl
IUPAC Name	1,1,2,2-tetrachloro-1,2-difluoroethane
InChI Key	UGCSPKPEHQEOSR-UHFFFAOYSA-N
Molecular Formula	C2Cl4F2

808

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

809

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

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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

810

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

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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

EPA Methods Standards

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Toxaphene Standard, High Level, 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

Performance Check Standard, 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

3-Methylthipene, 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

2,6,11,15-Tetramethylhexadecane, 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

1,2-Difluorotetrachloroethane, 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

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

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