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.

871 – 885 of 1,049 results

871

Wine Standard in Methanol 100ppm, Labeled Three Component Anisole Internal Std. Mix, SPEX CertiPrep™

CAS: 352439-08-8 Molecular Formula: C7H5Cl3O Molecular Weight (g/mol): 216.497 InChI Key: WCVOGSZTONGSQY-RHIBPKLGSA-N PubChem CID: 16212193 IUPAC Name: 1,3,5-trichloro-2,4-dideuterio-6-(trideuteriomethoxy)benzene SMILES: COC1=C(C=C(C=C1Cl)Cl)Cl

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Specifications

PubChem CID	16212193
CAS	352439-08-8
Molecular Weight (g/mol)	216.497
SMILES	COC1=C(C=C(C=C1Cl)Cl)Cl
IUPAC Name	1,3,5-trichloro-2,4-dideuterio-6-(trideuteriomethoxy)benzene
InChI Key	WCVOGSZTONGSQY-RHIBPKLGSA-N
Molecular Formula	C7H5Cl3O

872

Base/Neutral Fraction Calibration Check Compounds, SPEX CertiPrep™

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

Pricing & Availability

873

cis-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 156-59-2 Molecular Formula: C2H2Cl2 Molecular Weight (g/mol): 96.938 InChI Key: KFUSEUYYWQURPO-UPHRSURJSA-N PubChem CID: 643833 ChEBI: CHEBI:28805 IUPAC Name: (Z)-1,2-dichloroethene SMILES: C(=CCl)Cl

Pricing & Availability
Specifications

PubChem CID	643833
CAS	156-59-2
Molecular Weight (g/mol)	96.938
ChEBI	CHEBI:28805
SMILES	C(=CCl)Cl
IUPAC Name	(Z)-1,2-dichloroethene
InChI Key	KFUSEUYYWQURPO-UPHRSURJSA-N
Molecular Formula	C2H2Cl2

874

Internal Standard, 4,4'-Dibromooctafluorobiphenyl, SPEX CertiPrep™

CAS: 10386-84-2 Molecular Formula: C12Br2F8 Molecular Weight (g/mol): 455.93 MDL Number: MFCD00000310 InChI Key: YXLMNFVUNLCJJY-UHFFFAOYSA-N PubChem CID: 82600 IUPAC Name: 1-bromo-4-(4-bromo-2,3,5,6-tetrafluorophenyl)-2,3,5,6-tetrafluorobenzene SMILES: FC1=C(F)C(=C(F)C(F)=C1Br)C1=C(F)C(F)=C(Br)C(F)=C1F

Pricing & Availability
Specifications

PubChem CID	82600
CAS	10386-84-2
Molecular Weight (g/mol)	455.93
MDL Number	MFCD00000310
SMILES	FC1=C(F)C(=C(F)C(F)=C1Br)C1=C(F)C(F)=C(Br)C(F)=C1F
IUPAC Name	1-bromo-4-(4-bromo-2,3,5,6-tetrafluorophenyl)-2,3,5,6-tetrafluorobenzene
InChI Key	YXLMNFVUNLCJJY-UHFFFAOYSA-N
Molecular Formula	C12Br2F8

875

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

876

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

877

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™

CAS: 107-39-1 Molecular Formula: C8H16 Molecular Weight (g/mol): 112.216 InChI Key: FXNDIJDIPNCZQJ-UHFFFAOYSA-N PubChem CID: 7868 IUPAC Name: 2,4,4-trimethylpent-1-ene SMILES: CC(=C)CC(C)(C)C

Pricing & Availability
Specifications

PubChem CID	7868
CAS	107-39-1
Molecular Weight (g/mol)	112.216
SMILES	CC(=C)CC(C)(C)C
IUPAC Name	2,4,4-trimethylpent-1-ene
InChI Key	FXNDIJDIPNCZQJ-UHFFFAOYSA-N
Molecular Formula	C8H16

878

Methyl Linolenate, SPEX CertiPrep™

CAS: 301-00-8 Molecular Formula: CH4O Molecular Weight (g/mol): 32.04 MDL Number: MFCD00004595 InChI Key: OKKJLVBELUTLKV-UHFFFAOYSA-N Synonym: methyl linolenate,linolenic acid methyl ester,methyl alpha-linolenate,linolenic acid, methyl ester,unii-0s1ns923k6,alpha-linolenic acid methyl ester,methyl all-cis-9,12,15-octadecatrienoate,methyl 9z,12z,15z-octadeca-9,12,15-trienoate,9,12,15-octadecatrienoic acid, methyl ester, z,z,z,methyl cis,cis,cis-octadec-9,12,15-trienoate IUPAC Name: methyl (9Z,12Z,15Z)-octadeca-9,12,15-trienoate SMILES: CO

Pricing & Availability
Specifications

CAS	301-00-8
Molecular Weight (g/mol)	32.04
MDL Number	MFCD00004595
SMILES	CO
Synonym	methyl linolenate,linolenic acid methyl ester,methyl alpha-linolenate,linolenic acid, methyl ester,unii-0s1ns923k6,alpha-linolenic acid methyl ester,methyl all-cis-9,12,15-octadecatrienoate,methyl 9z,12z,15z-octadeca-9,12,15-trienoate,9,12,15-octadecatrienoic acid, methyl ester, z,z,z,methyl cis,cis,cis-octadec-9,12,15-trienoate
IUPAC Name	methyl (9Z,12Z,15Z)-octadeca-9,12,15-trienoate
InChI Key	OKKJLVBELUTLKV-UHFFFAOYSA-N
Molecular Formula	CH4O

879

Nitrofen, SPEX CertiPrep™

CAS: 1836-75-5 Molecular Formula: C12H7Cl2NO3 Molecular Weight (g/mol): 284.092 InChI Key: XITQUSLLOSKDTB-UHFFFAOYSA-N PubChem CID: 15787 IUPAC Name: 2,4-dichloro-1-(4-nitrophenoxy)benzene SMILES: C1=CC(=CC=C1[N+](=O)[O-])OC2=C(C=C(C=C2)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	15787
CAS	1836-75-5
Molecular Weight (g/mol)	284.092
SMILES	C1=CC(=CC=C1[N+](=O)[O-])OC2=C(C=C(C=C2)Cl)Cl
IUPAC Name	2,4-dichloro-1-(4-nitrophenoxy)benzene
InChI Key	XITQUSLLOSKDTB-UHFFFAOYSA-N
Molecular Formula	C12H7Cl2NO3

880

2-Methoxy-4-Methylphenol, SPEX CertiPrep™

CAS: 93-51-6 Molecular Formula: C8H10O2 Molecular Weight (g/mol): 138.166 InChI Key: PETRWTHZSKVLRE-UHFFFAOYSA-N PubChem CID: 7144 IUPAC Name: 2-methoxy-4-methylphenol SMILES: CC1=CC(=C(C=C1)O)OC

Pricing & Availability
Specifications

PubChem CID	7144
CAS	93-51-6
Molecular Weight (g/mol)	138.166
SMILES	CC1=CC(=C(C=C1)O)OC
IUPAC Name	2-methoxy-4-methylphenol
InChI Key	PETRWTHZSKVLRE-UHFFFAOYSA-N
Molecular Formula	C8H10O2

881

Volatile Organics Combination Mix D, SPEX CertiPrep™

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

Pricing & Availability

882

Methyl Esters, SPEX CertiPrep™

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

Pricing & Availability

883

PCB Congener Mix, SPEX CertiPrep™

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

Pricing & Availability

884

Aroclor 1262, High Level, SPEX CertiPrep™

CAS: 37324-23-5

Pricing & Availability
Specifications

CAS	37324-23-5

885

Bromoethane, SPEX CertiPrep™

CAS: 74-96-4 Molecular Formula: C2H5Br Molecular Weight (g/mol): 108.966 InChI Key: RDHPKYGYEGBMSE-UHFFFAOYSA-N PubChem CID: 6332 IUPAC Name: bromoethane SMILES: CCBr

Pricing & Availability
Specifications

PubChem CID	6332
CAS	74-96-4
Molecular Weight (g/mol)	108.966
SMILES	CCBr
IUPAC Name	bromoethane
InChI Key	RDHPKYGYEGBMSE-UHFFFAOYSA-N
Molecular Formula	C2H5Br

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Wine Standard in Methanol 100ppm, Labeled Three Component Anisole Internal Std. Mix, 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

cis-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

Internal Standard, 4,4'-Dibromooctafluorobiphenyl, 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

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

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

Volatile Organics Combination Mix D, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

Aroclor 1262, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Wine Standard in Methanol 100ppm, Labeled Three Component Anisole Internal Std. Mix, SPEX CertiPrep™

Base/Neutral Fraction Calibration Check Compounds, SPEX CertiPrep™

cis-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

Internal Standard, 4,4'-Dibromooctafluorobiphenyl, SPEX CertiPrep™

Hexamethylphosphoramide, SPEX CertiPrep™

Internal Standard, Fluorobenzene, SPEX CertiPrep™

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™

Methyl Linolenate, SPEX CertiPrep™

Nitrofen, SPEX CertiPrep™

2-Methoxy-4-Methylphenol, SPEX CertiPrep™

Volatile Organics Combination Mix D, SPEX CertiPrep™

Methyl Esters, SPEX CertiPrep™

PCB Congener Mix, SPEX CertiPrep™

Aroclor 1262, High Level, SPEX CertiPrep™

Bromoethane, SPEX CertiPrep™