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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826 – 840 of 995 results

826

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

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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

827

m-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 108-38-3 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008536 InChI Key: IVSZLXZYQVIEFR-UHFFFAOYSA-N PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC Name: 1,3-xylene SMILES: CC1=CC(C)=CC=C1

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Specifications

PubChem CID	7929
CAS	108-38-3
Molecular Weight (g/mol)	106.17
ChEBI	CHEBI:28488
MDL Number	MFCD00008536
SMILES	CC1=CC(C)=CC=C1
IUPAC Name	1,3-xylene
InChI Key	IVSZLXZYQVIEFR-UHFFFAOYSA-N
Molecular Formula	C8H10

828

Ethylbenzene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 100-41-4 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.168 InChI Key: YNQLUTRBYVCPMQ-UHFFFAOYSA-N PubChem CID: 7500 ChEBI: CHEBI:16101 IUPAC Name: ethylbenzene SMILES: CCC1=CC=CC=C1

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Specifications

PubChem CID	7500
CAS	100-41-4
Molecular Weight (g/mol)	106.168
ChEBI	CHEBI:16101
SMILES	CCC1=CC=CC=C1
IUPAC Name	ethylbenzene
InChI Key	YNQLUTRBYVCPMQ-UHFFFAOYSA-N
Molecular Formula	C8H10

829

3,4-Dichlorotoluene, SPEX CertiPrep™

CAS: 95-75-0 Molecular Formula: C7H6Cl2 Molecular Weight (g/mol): 161.025 InChI Key: WYUIWKFIFOJVKW-UHFFFAOYSA-N PubChem CID: 7256 IUPAC Name: 1,2-dichloro-4-methylbenzene SMILES: CC1=CC(=C(C=C1)Cl)Cl

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Specifications

PubChem CID	7256
CAS	95-75-0
Molecular Weight (g/mol)	161.025
SMILES	CC1=CC(=C(C=C1)Cl)Cl
IUPAC Name	1,2-dichloro-4-methylbenzene
InChI Key	WYUIWKFIFOJVKW-UHFFFAOYSA-N
Molecular Formula	C7H6Cl2

830

3,3'-Dichlorobenzidine Stock Standard, SPEX CertiPrep™

CAS: 91-94-1 Molecular Formula: C12H10Cl2N2 Molecular Weight (g/mol): 253.126 InChI Key: HUWXDEQWWKGHRV-UHFFFAOYSA-N PubChem CID: 7070 ChEBI: CHEBI:82315 IUPAC Name: 4-(4-amino-3-chlorophenyl)-2-chloroaniline SMILES: C1=CC(=C(C=C1C2=CC(=C(C=C2)N)Cl)Cl)N

Pricing & Availability
Specifications

PubChem CID	7070
CAS	91-94-1
Molecular Weight (g/mol)	253.126
ChEBI	CHEBI:82315
SMILES	C1=CC(=C(C=C1C2=CC(=C(C=C2)N)Cl)Cl)N
IUPAC Name	4-(4-amino-3-chlorophenyl)-2-chloroaniline
InChI Key	HUWXDEQWWKGHRV-UHFFFAOYSA-N
Molecular Formula	C12H10Cl2N2

831

Solids Concentrate Wastewater QC Sample, SPEX CertiPrep™

Solids Concentrate Wastewater QC Sample, 23 mL vial, SPEX CertiPrep™. ISO Guide 34 Certified

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832

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™

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

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833

Volatile Matrix Spike, High Level , SPEX CertiPrep™

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

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834

Surrogate Standard, 2-Nitro-m-xylene, SPEX CertiPrep™

CAS: 81-20-9 Molecular Formula: C8H9NO2 Molecular Weight (g/mol): 151.165 InChI Key: HDFQKJQEWGVKCQ-UHFFFAOYSA-N PubChem CID: 6672 IUPAC Name: 1,3-dimethyl-2-nitrobenzene SMILES: CC1=C(C(=CC=C1)C)[N+](=O)[O-]

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Specifications

PubChem CID	6672
CAS	81-20-9
Molecular Weight (g/mol)	151.165
SMILES	CC1=C(C(=CC=C1)C)[N+](=O)[O-]
IUPAC Name	1,3-dimethyl-2-nitrobenzene
InChI Key	HDFQKJQEWGVKCQ-UHFFFAOYSA-N
Molecular Formula	C8H9NO2

835

Internal Standard, SPEX CertiPrep™

CAS: 2050-68-2 Molecular Formula: C12H8Cl2 Molecular Weight (g/mol): 223.096 InChI Key: YTBRNEUEFCNVHC-UHFFFAOYSA-N PubChem CID: 16308 ChEBI: CHEBI:34364 IUPAC Name: 1-chloro-4-(4-chlorophenyl)benzene SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	16308
CAS	2050-68-2
Molecular Weight (g/mol)	223.096
ChEBI	CHEBI:34364
SMILES	C1=CC(=CC=C1C2=CC=C(C=C2)Cl)Cl
IUPAC Name	1-chloro-4-(4-chlorophenyl)benzene
InChI Key	YTBRNEUEFCNVHC-UHFFFAOYSA-N
Molecular Formula	C12H8Cl2

836

Hexadecene-1, SPEX CertiPrep™

CAS: 629-73-2 Molecular Formula: C16H32 Molecular Weight (g/mol): 224.432 InChI Key: GQEZCXVZFLOKMC-UHFFFAOYSA-N PubChem CID: 12395 ChEBI: CHEBI:77507 IUPAC Name: hexadec-1-ene SMILES: CCCCCCCCCCCCCCC=C

Pricing & Availability
Specifications

PubChem CID	12395
CAS	629-73-2
Molecular Weight (g/mol)	224.432
ChEBI	CHEBI:77507
SMILES	CCCCCCCCCCCCCCC=C
IUPAC Name	hexadec-1-ene
InChI Key	GQEZCXVZFLOKMC-UHFFFAOYSA-N
Molecular Formula	C16H32

837

3'-Bromoacetophenone, SPEX CertiPrep™

CAS: 2142-63-4 Molecular Formula: C8H7BrO Molecular Weight (g/mol): 199.047 InChI Key: JYAQYXOVOHJRCS-UHFFFAOYSA-N PubChem CID: 16502 IUPAC Name: 1-(3-bromophenyl)ethanone SMILES: CC(=O)C1=CC(=CC=C1)Br

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Specifications

PubChem CID	16502
CAS	2142-63-4
Molecular Weight (g/mol)	199.047
SMILES	CC(=O)C1=CC(=CC=C1)Br
IUPAC Name	1-(3-bromophenyl)ethanone
InChI Key	JYAQYXOVOHJRCS-UHFFFAOYSA-N
Molecular Formula	C8H7BrO

838

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

Pricing & Availability
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

839

2,4',6-Trichlorobiphenyl, SPEX CertiPrep™

CAS: 62-56-6 Molecular Formula: CH4N2S Molecular Weight (g/mol): 76.12 MDL Number: MFCD00008067 InChI Key: UMGDCJDMYOKAJW-UHFFFAOYSA-N PubChem CID: 2723790 ChEBI: CHEBI:36946 IUPAC Name: thiourea SMILES: NC(N)=S

Pricing & Availability
Specifications

PubChem CID	2723790
CAS	62-56-6
Molecular Weight (g/mol)	76.12
ChEBI	CHEBI:36946
MDL Number	MFCD00008067
SMILES	NC(N)=S
IUPAC Name	thiourea
InChI Key	UMGDCJDMYOKAJW-UHFFFAOYSA-N
Molecular Formula	CH4N2S

840

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™

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

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EPA Methods Standards

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

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

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

3,4-Dichlorotoluene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

3,3'-Dichlorobenzidine Stock Standard, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Solids Concentrate Wastewater QC Sample, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Surrogate Standard, 2-Nitro-m-xylene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

3'-Bromoacetophenone, 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™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2,4',6-Trichlorobiphenyl, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methyl Linolenate, SPEX CertiPrep™

m-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

Ethylbenzene in Dimethyl Sulfoxide, SPEX CertiPrep™

3,4-Dichlorotoluene, SPEX CertiPrep™

3,3'-Dichlorobenzidine Stock Standard, SPEX CertiPrep™

Solids Concentrate Wastewater QC Sample, SPEX CertiPrep™

EPA CLP Volatiles Standards Low Concentration, SPEX CertiPrep™

Volatile Matrix Spike, High Level , SPEX CertiPrep™

Surrogate Standard, 2-Nitro-m-xylene, SPEX CertiPrep™

Internal Standard, SPEX CertiPrep™

Hexadecene-1, SPEX CertiPrep™

3'-Bromoacetophenone, SPEX CertiPrep™

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

2,4',6-Trichlorobiphenyl, SPEX CertiPrep™

TCLP Volatiles Spike, Alternative Formulation, SPEX CertiPrep™