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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811 – 825 of 995 results

811

Trichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 79-01-6 Molecular Formula: C2HCl3 Molecular Weight (g/mol): 131.38 InChI Key: XSTXAVWGXDQKEL-UHFFFAOYSA-N PubChem CID: 6575 ChEBI: CHEBI:16602 IUPAC Name: 1,1,2-trichloroethene SMILES: C(=C(Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	6575
CAS	79-01-6
Molecular Weight (g/mol)	131.38
ChEBI	CHEBI:16602
SMILES	C(=C(Cl)Cl)Cl
IUPAC Name	1,1,2-trichloroethene
InChI Key	XSTXAVWGXDQKEL-UHFFFAOYSA-N
Molecular Formula	C2HCl3

812

Base/Neutral Fraction Calibration Check Compounds, SPEX CertiPrep™

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

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813

Trichloroacetonitrile, SPEX CertiPrep™

CAS: 545-06-2 Molecular Formula: C2Cl3N Molecular Weight (g/mol): 144.379 InChI Key: DRUIESSIVFYOMK-UHFFFAOYSA-N PubChem CID: 11011 ChEBI: CHEBI:82541 IUPAC Name: 2,2,2-trichloroacetonitrile SMILES: C(#N)C(Cl)(Cl)Cl

Pricing & Availability
Specifications

PubChem CID	11011
CAS	545-06-2
Molecular Weight (g/mol)	144.379
ChEBI	CHEBI:82541
SMILES	C(#N)C(Cl)(Cl)Cl
IUPAC Name	2,2,2-trichloroacetonitrile
InChI Key	DRUIESSIVFYOMK-UHFFFAOYSA-N
Molecular Formula	C2Cl3N

814

Method 614 Kit, SPEX CertiPrep™

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

Pricing & Availability

815

Chlorneb, SPEX CertiPrep™

CAS: 2675-77-6 Molecular Formula: C8H8Cl2O2 Molecular Weight (g/mol): 207.05 MDL Number: MFCD00055445 InChI Key: PFIADAMVCJPXSF-UHFFFAOYSA-N PubChem CID: 17581 ChEBI: CHEBI:3628 IUPAC Name: 1,4-dichloro-2,5-dimethoxybenzene SMILES: COC1=CC(Cl)=C(OC)C=C1Cl

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Specifications

PubChem CID	17581
CAS	2675-77-6
Molecular Weight (g/mol)	207.05
ChEBI	CHEBI:3628
MDL Number	MFCD00055445
SMILES	COC1=CC(Cl)=C(OC)C=C1Cl
IUPAC Name	1,4-dichloro-2,5-dimethoxybenzene
InChI Key	PFIADAMVCJPXSF-UHFFFAOYSA-N
Molecular Formula	C8H8Cl2O2

816

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™

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817

91-SOW Surrogate Spike, SPEX CertiPrep™

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

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818

GC Degradation Check Solution, SPEX CertiPrep™

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

Pricing & Availability

819

2-Chloro-5-(Trifluoromethyl) Aniline, SPEX CertiPrep™

CAS: 121-50-6 Molecular Formula: C7H5ClF3N Molecular Weight (g/mol): 195.569 InChI Key: VKTTYIXIDXWHKW-UHFFFAOYSA-N PubChem CID: 8475 IUPAC Name: 2-chloro-5-(trifluoromethyl)aniline SMILES: C1=CC(=C(C=C1C(F)(F)F)N)Cl

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Specifications

PubChem CID	8475
CAS	121-50-6
Molecular Weight (g/mol)	195.569
SMILES	C1=CC(=C(C=C1C(F)(F)F)N)Cl
IUPAC Name	2-chloro-5-(trifluoromethyl)aniline
InChI Key	VKTTYIXIDXWHKW-UHFFFAOYSA-N
Molecular Formula	C7H5ClF3N

820

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

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821

Dimethylpolysiloxane, SPEX CertiPrep™

CAS: 9016-00-6 Molecular Formula: (C2H6OSi)n Molecular Weight (g/mol): 74.15 MDL Number: MFCD00084411 InChI Key: SEUDSDUUJXTXSV-UHFFFAOYSA-N IUPAC Name: dimethylsilanone SMILES: C[Si](C)(-*)O-*

Pricing & Availability
Specifications

CAS	9016-00-6
Molecular Weight (g/mol)	74.15
MDL Number	MFCD00084411
SMILES	C[Si](C)(-)O-
IUPAC Name	dimethylsilanone
InChI Key	SEUDSDUUJXTXSV-UHFFFAOYSA-N
Molecular Formula	(C2H6OSi)n

822

Internal Standard, Fluorobenzene, SPEX CertiPrep™

CAS: 462-06-6 Molecular Formula: C6H5F Molecular Weight (g/mol): 96.10 MDL Number: MFCD00000280 InChI Key: PYLWMHQQBFSUBP-UHFFFAOYSA-N PubChem CID: 10008 ChEBI: CHEBI:5115 IUPAC Name: fluorobenzene SMILES: FC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	10008
CAS	462-06-6
Molecular Weight (g/mol)	96.10
ChEBI	CHEBI:5115
MDL Number	MFCD00000280
SMILES	FC1=CC=CC=C1
IUPAC Name	fluorobenzene
InChI Key	PYLWMHQQBFSUBP-UHFFFAOYSA-N
Molecular Formula	C6H5F

823

1-Dodecanol, SPEX CertiPrep™

CAS: 112-53-8 Molecular Formula: C12H26O Molecular Weight (g/mol): 186.34 MDL Number: MFCD00004753 InChI Key: LQZZUXJYWNFBMV-UHFFFAOYSA-N PubChem CID: 8193 ChEBI: CHEBI:28878 IUPAC Name: dodecan-1-ol SMILES: CCCCCCCCCCCCO

Pricing & Availability
Specifications

PubChem CID	8193
CAS	112-53-8
Molecular Weight (g/mol)	186.34
ChEBI	CHEBI:28878
MDL Number	MFCD00004753
SMILES	CCCCCCCCCCCCO
IUPAC Name	dodecan-1-ol
InChI Key	LQZZUXJYWNFBMV-UHFFFAOYSA-N
Molecular Formula	C12H26O

824

Heptonic Acid, SPEX CertiPrep™

CAS: 111-14-8 Molecular Formula: C7H14O2 Molecular Weight (g/mol): 130.187 InChI Key: MNWFXJYAOYHMED-UHFFFAOYSA-N PubChem CID: 8094 ChEBI: CHEBI:45571 IUPAC Name: heptanoic acid SMILES: CCCCCCC(=O)O

Pricing & Availability
Specifications

PubChem CID	8094
CAS	111-14-8
Molecular Weight (g/mol)	130.187
ChEBI	CHEBI:45571
SMILES	CCCCCCC(=O)O
IUPAC Name	heptanoic acid
InChI Key	MNWFXJYAOYHMED-UHFFFAOYSA-N
Molecular Formula	C7H14O2

825

Hexamethylphosphoramide, SPEX CertiPrep™

CAS: 680-31-9 Molecular Formula: C6H18N3OP Molecular Weight (g/mol): 179.204 InChI Key: GNOIPBMMFNIUFM-UHFFFAOYSA-N PubChem CID: 12679 ChEBI: CHEBI:24565 IUPAC Name: N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine SMILES: CN(C)P(=O)(N(C)C)N(C)C

Pricing & Availability
Specifications

PubChem CID	12679
CAS	680-31-9
Molecular Weight (g/mol)	179.204
ChEBI	CHEBI:24565
SMILES	CN(C)P(=O)(N(C)C)N(C)C
IUPAC Name	N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine
InChI Key	GNOIPBMMFNIUFM-UHFFFAOYSA-N
Molecular Formula	C6H18N3OP

EPA Methods Standards

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

Base/Neutral Fraction Calibration Check Compounds, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Method 614 Kit, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

91-SOW Surrogate Spike, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

2-Chloro-5-(Trifluoromethyl) Aniline, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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

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

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

Trichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

Base/Neutral Fraction Calibration Check Compounds, SPEX CertiPrep™

Trichloroacetonitrile, SPEX CertiPrep™

Method 614 Kit, SPEX CertiPrep™

Chlorneb, SPEX CertiPrep™

Methyl-3,5-Dichlorobenzoic, SPEX CertiPrep™

91-SOW Surrogate Spike, SPEX CertiPrep™

GC Degradation Check Solution, SPEX CertiPrep™

2-Chloro-5-(Trifluoromethyl) Aniline, SPEX CertiPrep™

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

Dimethylpolysiloxane, SPEX CertiPrep™

Internal Standard, Fluorobenzene, SPEX CertiPrep™

1-Dodecanol, SPEX CertiPrep™

Heptonic Acid, SPEX CertiPrep™

Hexamethylphosphoramide, SPEX CertiPrep™