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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946 – 960 of 993 results

946

Analyte Mix D, High Level, SPEX CertiPrep™

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

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947

PCB Congener Mix, SPEX CertiPrep™

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

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948

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

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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

949

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

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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

950

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

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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

951

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

952

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-*

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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

953

Aroclor 1262, High Level, SPEX CertiPrep™

CAS: 37324-23-5

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Specifications

CAS	37324-23-5

954

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

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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

955

3,4-Dichlorophenol, SPEX CertiPrep™

CAS: 95-77-2 Molecular Formula: C6H4Cl2O Molecular Weight (g/mol): 163.00 MDL Number: MFCD00002258 InChI Key: WDNBURPWRNALGP-UHFFFAOYSA-N PubChem CID: 7258 ChEBI: CHEBI:34323 IUPAC Name: 3,4-dichlorophenol SMILES: OC1=CC=C(Cl)C(Cl)=C1

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Specifications

PubChem CID	7258
CAS	95-77-2
Molecular Weight (g/mol)	163.00
ChEBI	CHEBI:34323
MDL Number	MFCD00002258
SMILES	OC1=CC=C(Cl)C(Cl)=C1
IUPAC Name	3,4-dichlorophenol
InChI Key	WDNBURPWRNALGP-UHFFFAOYSA-N
Molecular Formula	C6H4Cl2O

956

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

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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

957

2,3,6-Trimethylnaphthalene, SPEX CertiPrep™

CAS: 829-26-5 Molecular Formula: C13H14 Molecular Weight (g/mol): 170.255 InChI Key: UNBZRJCHIWTUHB-UHFFFAOYSA-N PubChem CID: 13237 IUPAC Name: 2,3,6-trimethylnaphthalene SMILES: CC1=CC2=CC(=C(C=C2C=C1)C)C

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Specifications

PubChem CID	13237
CAS	829-26-5
Molecular Weight (g/mol)	170.255
SMILES	CC1=CC2=CC(=C(C=C2C=C1)C)C
IUPAC Name	2,3,6-trimethylnaphthalene
InChI Key	UNBZRJCHIWTUHB-UHFFFAOYSA-N
Molecular Formula	C13H14

958

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

CAS: 16325-63-6 Molecular Formula: C8H18O Molecular Weight (g/mol): 130.231 InChI Key: ZNRVRWHPZZOTIE-UHFFFAOYSA-N PubChem CID: 85984 IUPAC Name: 2,4,4-trimethylpentan-1-ol SMILES: CC(CC(C)(C)C)CO

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Specifications

PubChem CID	85984
CAS	16325-63-6
Molecular Weight (g/mol)	130.231
SMILES	CC(CC(C)(C)C)CO
IUPAC Name	2,4,4-trimethylpentan-1-ol
InChI Key	ZNRVRWHPZZOTIE-UHFFFAOYSA-N
Molecular Formula	C8H18O

959

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

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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

960

1,5-Dimethylnaphthalene, SPEX CertiPrep™

CAS: 582-16-1 Molecular Formula: C12H12 Molecular Weight (g/mol): 156.23 MDL Number: MFCD00004121 InChI Key: LRQYSMQNJLZKPS-UHFFFAOYSA-N PubChem CID: 11396 ChEBI: CHEBI:48632 IUPAC Name: 2,7-dimethylnaphthalene SMILES: CC1=CC2=CC(C)=CC=C2C=C1

Pricing & Availability
Specifications

PubChem CID	11396
CAS	582-16-1
Molecular Weight (g/mol)	156.23
ChEBI	CHEBI:48632
MDL Number	MFCD00004121
SMILES	CC1=CC2=CC(C)=CC=C2C=C1
IUPAC Name	2,7-dimethylnaphthalene
InChI Key	LRQYSMQNJLZKPS-UHFFFAOYSA-N
Molecular Formula	C12H12

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