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.

976 – 990 of 1,049 results

976

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

977

Tetraethylene Glycol, SPEX CertiPrep™

CAS: 112-60-7 Molecular Formula: C8H18O5 Molecular Weight (g/mol): 194.227 InChI Key: UWHCKJMYHZGTIT-UHFFFAOYSA-N PubChem CID: 8200 ChEBI: CHEBI:44920 IUPAC Name: 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethanol SMILES: C(COCCOCCOCCO)O

Pricing & Availability
Specifications

PubChem CID	8200
CAS	112-60-7
Molecular Weight (g/mol)	194.227
ChEBI	CHEBI:44920
SMILES	C(COCCOCCOCCO)O
IUPAC Name	2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethanol
InChI Key	UWHCKJMYHZGTIT-UHFFFAOYSA-N
Molecular Formula	C8H18O5

978

2,4,5-Trichlorotoluene, SPEX CertiPrep™

CAS: 6639-30-1 Molecular Formula: C7H5Cl3 Molecular Weight (g/mol): 195.467 InChI Key: ZCXHZKNWIYVQNC-UHFFFAOYSA-N PubChem CID: 23128 IUPAC Name: 1,2,4-trichloro-5-methylbenzene SMILES: CC1=CC(=C(C=C1Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	23128
CAS	6639-30-1
Molecular Weight (g/mol)	195.467
SMILES	CC1=CC(=C(C=C1Cl)Cl)Cl
IUPAC Name	1,2,4-trichloro-5-methylbenzene
InChI Key	ZCXHZKNWIYVQNC-UHFFFAOYSA-N
Molecular Formula	C7H5Cl3

979

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

980

Aroclor 1262, High Level, SPEX CertiPrep™

CAS: 37324-23-5

Pricing & Availability
Specifications

CAS	37324-23-5

981

Low Level Volatile Control Sample, SPEX CertiPrep™

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

Pricing & Availability

982

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

Pricing & Availability
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

983

Dibromofluoromethane, SPEX CertiPrep™

CAS: 1868-53-7 Molecular Formula: CHBr2F Molecular Weight (g/mol): 191.825 InChI Key: LTUTVFXOEGMHMP-UHFFFAOYSA-N PubChem CID: 61280 IUPAC Name: dibromo(fluoro)methane SMILES: C(F)(Br)Br

Pricing & Availability
Specifications

PubChem CID	61280
CAS	1868-53-7
Molecular Weight (g/mol)	191.825
SMILES	C(F)(Br)Br
IUPAC Name	dibromo(fluoro)methane
InChI Key	LTUTVFXOEGMHMP-UHFFFAOYSA-N
Molecular Formula	CHBr2F

984

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™

CAS: 99-76-3 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.149 InChI Key: LXCFILQKKLGQFO-UHFFFAOYSA-N PubChem CID: 7456 ChEBI: CHEBI:31835 IUPAC Name: methyl 4-hydroxybenzoate SMILES: COC(=O)C1=CC=C(C=C1)O

Pricing & Availability
Specifications

PubChem CID	7456
CAS	99-76-3
Molecular Weight (g/mol)	152.149
ChEBI	CHEBI:31835
SMILES	COC(=O)C1=CC=C(C=C1)O
IUPAC Name	methyl 4-hydroxybenzoate
InChI Key	LXCFILQKKLGQFO-UHFFFAOYSA-N
Molecular Formula	C8H8O3

985

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-]

Pricing & Availability
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

986

Tetryl, SPEX CertiPrep™

CAS: 479-45-8 Molecular Formula: C7H5N5O8 Molecular Weight (g/mol): 287.144 InChI Key: AGUIVNYEYSCPNI-UHFFFAOYSA-N PubChem CID: 10178 ChEBI: CHEBI:28950 IUPAC Name: N-methyl-N-(2,4,6-trinitrophenyl)nitramide SMILES: CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]

Pricing & Availability
Specifications

PubChem CID	10178
CAS	479-45-8
Molecular Weight (g/mol)	287.144
ChEBI	CHEBI:28950
SMILES	CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
IUPAC Name	N-methyl-N-(2,4,6-trinitrophenyl)nitramide
InChI Key	AGUIVNYEYSCPNI-UHFFFAOYSA-N
Molecular Formula	C7H5N5O8

987

n-Tricosane, SPEX CertiPrep™

CAS: 638-67-5 Molecular Formula: C23H48 Molecular Weight (g/mol): 324.637 InChI Key: FIGVVZUWCLSUEI-UHFFFAOYSA-N PubChem CID: 12534 ChEBI: CHEBI:32934 IUPAC Name: tricosane SMILES: CCCCCCCCCCCCCCCCCCCCCCC

Pricing & Availability
Specifications

PubChem CID	12534
CAS	638-67-5
Molecular Weight (g/mol)	324.637
ChEBI	CHEBI:32934
SMILES	CCCCCCCCCCCCCCCCCCCCCCC
IUPAC Name	tricosane
InChI Key	FIGVVZUWCLSUEI-UHFFFAOYSA-N
Molecular Formula	C23H48

988

Pyridine in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1

Pricing & Availability
Specifications

PubChem CID	1049
CAS	110-86-1
Molecular Weight (g/mol)	79.102
ChEBI	CHEBI:16227
SMILES	C1=CC=NC=C1
IUPAC Name	pyridine
InChI Key	JUJWROOIHBZHMG-UHFFFAOYSA-N
Molecular Formula	C5H5N

989

Volatile Matrix Spike, High Level , SPEX CertiPrep™

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

Pricing & Availability

990

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

Pricing & Availability
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

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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

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

2,4,5-Trichlorotoluene, 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

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

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

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

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

p-Hydroxbenzoic Acid Methyl Ester, 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

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

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

Pyridine in Dimethyl Sulfoxide, 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

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