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 989 results

901

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

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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

902

Diazinon-O-Analog, SPEX CertiPrep™

CAS: 962-58-3 Molecular Formula: C12H21N2O4P Molecular Weight (g/mol): 288.284 InChI Key: VBLJFQYCTRKKKF-UHFFFAOYSA-N PubChem CID: 13754 ChEBI: CHEBI:83533 IUPAC Name: diethyl (6-methyl-2-propan-2-ylpyrimidin-4-yl) phosphate SMILES: CCOP(=O)(OCC)OC1=NC(=NC(=C1)C)C(C)C

Pricing & Availability
Specifications

PubChem CID	13754
CAS	962-58-3
Molecular Weight (g/mol)	288.284
ChEBI	CHEBI:83533
SMILES	CCOP(=O)(OCC)OC1=NC(=NC(=C1)C)C(C)C
IUPAC Name	diethyl (6-methyl-2-propan-2-ylpyrimidin-4-yl) phosphate
InChI Key	VBLJFQYCTRKKKF-UHFFFAOYSA-N
Molecular Formula	C12H21N2O4P

903

Halogenated Pesticides and Herbicides Blend, SPEX CertiPrep™

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

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904

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]

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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

905

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

Pricing & Availability
Specifications

CAS	8001-35-2

906

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

907

Performance Check Standard, SPEX CertiPrep™

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

Pricing & Availability

908

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

Pricing & Availability
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

909

Acid Matrix Spike, SPEX CertiPrep™

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

Pricing & Availability

910

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

Pricing & Availability
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

911

Low Level Semivolatile Control Sample, SPEX CertiPrep™

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

Pricing & Availability

912

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

Pricing & Availability
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

913

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

914

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

Pricing & Availability
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

915

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

EPA Methods Standards

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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

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

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

1,2-Dichlorobenzene-d4, 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

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-Chlorobenzotrifluoride, 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

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

Carbon Tetrachloride in Dimethyl Sulfoxide, SPEX CertiPrep™

Diazinon-O-Analog, SPEX CertiPrep™

Halogenated Pesticides and Herbicides Blend, SPEX CertiPrep™

1,2-Dichlorobenzene-d4, SPEX CertiPrep™

Toxaphene Standard, High Level, SPEX CertiPrep™

Crotoxyphos, SPEX CertiPrep™

Performance Check Standard, SPEX CertiPrep™

4-Chlorobenzotrifluoride, SPEX CertiPrep™

Acid Matrix Spike, SPEX CertiPrep™

Picloram Methyl Ester, SPEX CertiPrep™

Low Level Semivolatile Control Sample, SPEX CertiPrep™

3-Methylthipene, SPEX CertiPrep™

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

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

Isophorone, SPEX CertiPrep™