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.

Search Within Results

931 – 945 of 1,030 results

931

91-SOW Surrogate Spike, SPEX CertiPrep™

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

Pricing & Availability

932

Dimethyl-P-Nitrophenyphosphate, SPEX CertiPrep™

CAS: 950-35-6 Molecular Formula: C8H10NO6P Molecular Weight (g/mol): 247.143 InChI Key: BAFQDKPJKOLXFZ-UHFFFAOYSA-N PubChem CID: 13708 IUPAC Name: dimethyl (4-nitrophenyl) phosphate SMILES: COP(=O)(OC)OC1=CC=C(C=C1)[N+](=O)[O-]

Pricing & Availability
Specifications

PubChem CID	13708
CAS	950-35-6
Molecular Weight (g/mol)	247.143
SMILES	COP(=O)(OC)OC1=CC=C(C=C1)[N+](=O)[O-]
IUPAC Name	dimethyl (4-nitrophenyl) phosphate
InChI Key	BAFQDKPJKOLXFZ-UHFFFAOYSA-N
Molecular Formula	C8H10NO6P

933

1,1-Dimethoxyethane, SPEX CertiPrep™

CAS: 534-15-6 Molecular Formula: C4H10O2 Molecular Weight (g/mol): 90.122 InChI Key: SPEUIVXLLWOEMJ-UHFFFAOYSA-N PubChem CID: 10795 IUPAC Name: 1,1-dimethoxyethane SMILES: CC(OC)OC

Pricing & Availability
Specifications

PubChem CID	10795
CAS	534-15-6
Molecular Weight (g/mol)	90.122
SMILES	CC(OC)OC
IUPAC Name	1,1-dimethoxyethane
InChI Key	SPEUIVXLLWOEMJ-UHFFFAOYSA-N
Molecular Formula	C4H10O2

934

Dimethoxymethane, SPEX CertiPrep™

CAS: 109-87-5 Molecular Formula: C3H8O2 Molecular Weight (g/mol): 76.095 InChI Key: NKDDWNXOKDWJAK-UHFFFAOYSA-N PubChem CID: 8020 ChEBI: CHEBI:48341 IUPAC Name: dimethoxymethane SMILES: COCOC

Pricing & Availability
Specifications

PubChem CID	8020
CAS	109-87-5
Molecular Weight (g/mol)	76.095
ChEBI	CHEBI:48341
SMILES	COCOC
IUPAC Name	dimethoxymethane
InChI Key	NKDDWNXOKDWJAK-UHFFFAOYSA-N
Molecular Formula	C3H8O2

935

2,6,11,15-Tetramethylhexadecane, SPEX CertiPrep™

CAS: 504-44-9 Molecular Formula: C20H42 Molecular Weight (g/mol): 282.556 InChI Key: KKFZXXATNGJPJS-UHFFFAOYSA-N PubChem CID: 136331 IUPAC Name: 2,6,11,15-tetramethylhexadecane SMILES: CC(C)CCCC(C)CCCCC(C)CCCC(C)C

Pricing & Availability
Specifications

PubChem CID	136331
CAS	504-44-9
Molecular Weight (g/mol)	282.556
SMILES	CC(C)CCCC(C)CCCCC(C)CCCC(C)C
IUPAC Name	2,6,11,15-tetramethylhexadecane
InChI Key	KKFZXXATNGJPJS-UHFFFAOYSA-N
Molecular Formula	C20H42

936

1,2-Dimethoxyethane in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 110-71-4 Molecular Formula: C4H10O2 Molecular Weight (g/mol): 90.122 InChI Key: XTHFKEDIFFGKHM-UHFFFAOYSA-N PubChem CID: 8071 ChEBI: CHEBI:42263 IUPAC Name: 1,2-dimethoxyethane SMILES: COCCOC

Pricing & Availability
Specifications

PubChem CID	8071
CAS	110-71-4
Molecular Weight (g/mol)	90.122
ChEBI	CHEBI:42263
SMILES	COCCOC
IUPAC Name	1,2-dimethoxyethane
InChI Key	XTHFKEDIFFGKHM-UHFFFAOYSA-N
Molecular Formula	C4H10O2

937

Propargyl Alcohol, SPEX CertiPrep™

CAS: 107-19-7 Molecular Formula: C3H4O Molecular Weight (g/mol): 56.06 MDL Number: MFCD00002912 InChI Key: TVDSBUOJIPERQY-UHFFFAOYSA-N PubChem CID: 7859 ChEBI: CHEBI:28905 IUPAC Name: prop-2-yn-1-ol SMILES: OCC#C

Pricing & Availability
Specifications

PubChem CID	7859
CAS	107-19-7
Molecular Weight (g/mol)	56.06
ChEBI	CHEBI:28905
MDL Number	MFCD00002912
SMILES	OCC#C
IUPAC Name	prop-2-yn-1-ol
InChI Key	TVDSBUOJIPERQY-UHFFFAOYSA-N
Molecular Formula	C3H4O

938

1,4-Dichlorobutane, SPEX CertiPrep™

CAS: 110-56-5 Molecular Formula: C4H8Cl2 Molecular Weight (g/mol): 127.01 MDL Number: MFCD00001011 InChI Key: KJDRSWPQXHESDQ-UHFFFAOYSA-N PubChem CID: 8059 IUPAC Name: 1,4-dichlorobutane SMILES: ClCCCCCl

Pricing & Availability
Specifications

PubChem CID	8059
CAS	110-56-5
Molecular Weight (g/mol)	127.01
MDL Number	MFCD00001011
SMILES	ClCCCCCl
IUPAC Name	1,4-dichlorobutane
InChI Key	KJDRSWPQXHESDQ-UHFFFAOYSA-N
Molecular Formula	C4H8Cl2

939

Heptachlor Epoxide, Isomer A, SPEX CertiPrep™

CAS: 28044-83-9 Molecular Formula: C10H5Cl7O Molecular Weight (g/mol): 389.299 InChI Key: ZXFXBSWRVIQKOD-WOBUKFROSA-N PubChem CID: 71317194 SMILES: C12C(C(C3C1O3)Cl)C4(C(=C(C2(C4(Cl)Cl)Cl)Cl)Cl)Cl

Pricing & Availability
Specifications

PubChem CID	71317194
CAS	28044-83-9
Molecular Weight (g/mol)	389.299
SMILES	C12C(C(C3C1O3)Cl)C4(C(=C(C2(C4(Cl)Cl)Cl)Cl)Cl)Cl
InChI Key	ZXFXBSWRVIQKOD-WOBUKFROSA-N
Molecular Formula	C10H5Cl7O

940

3-Chlorotoluene, SPEX CertiPrep™

CAS: 108-41-8 Molecular Formula: C7H7Cl Molecular Weight (g/mol): 126.58 MDL Number: MFCD00000595 InChI Key: OSOUNOBYRMOXQQ-UHFFFAOYSA-N PubChem CID: 7931 IUPAC Name: 1-chloro-3-methylbenzene SMILES: CC1=CC=CC(Cl)=C1

Pricing & Availability
Specifications

PubChem CID	7931
CAS	108-41-8
Molecular Weight (g/mol)	126.58
MDL Number	MFCD00000595
SMILES	CC1=CC=CC(Cl)=C1
IUPAC Name	1-chloro-3-methylbenzene
InChI Key	OSOUNOBYRMOXQQ-UHFFFAOYSA-N
Molecular Formula	C7H7Cl

941

1,2-Dichlorobenzene-d4, SPEX CertiPrep™

CAS: 2199-69-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 151.02 MDL Number: MFCD00037106 InChI Key: RFFLAFLAYFXFSW-RHQRLBAQSA-N PubChem CID: 519913 IUPAC Name: 1,2-dichloro-3,4,5,6-tetradeuteriobenzene SMILES: [2H]C1=C([2H])C([2H])=C(Cl)C(Cl)=C1[2H]

Pricing & Availability
Specifications

PubChem CID	519913
CAS	2199-69-1
Molecular Weight (g/mol)	151.02
MDL Number	MFCD00037106
SMILES	[2H]C1=C([2H])C([2H])=C(Cl)C(Cl)=C1[2H]
IUPAC Name	1,2-dichloro-3,4,5,6-tetradeuteriobenzene
InChI Key	RFFLAFLAYFXFSW-RHQRLBAQSA-N
Molecular Formula	C6H4Cl2

942

Ethylcyclopentane, SPEX CertiPrep™

CAS: 1640-89-7 Molecular Formula: C7H14 Molecular Weight (g/mol): 98.189 InChI Key: IFTRQJLVEBNKJK-UHFFFAOYSA-N PubChem CID: 15431 IUPAC Name: ethylcyclopentane SMILES: CCC1CCCC1

Pricing & Availability
Specifications

PubChem CID	15431
CAS	1640-89-7
Molecular Weight (g/mol)	98.189
SMILES	CCC1CCCC1
IUPAC Name	ethylcyclopentane
InChI Key	IFTRQJLVEBNKJK-UHFFFAOYSA-N
Molecular Formula	C7H14

943

4-Chlorobenzotrifluoride, SPEX CertiPrep™

CAS: 98-56-6 Molecular Formula: C7H4ClF3 Molecular Weight (g/mol): 180.554 InChI Key: QULYNCCPRWKEMF-UHFFFAOYSA-N PubChem CID: 7394 IUPAC Name: 1-chloro-4-(trifluoromethyl)benzene SMILES: C1=CC(=CC=C1C(F)(F)F)Cl

Pricing & Availability
Specifications

PubChem CID	7394
CAS	98-56-6
Molecular Weight (g/mol)	180.554
SMILES	C1=CC(=CC=C1C(F)(F)F)Cl
IUPAC Name	1-chloro-4-(trifluoromethyl)benzene
InChI Key	QULYNCCPRWKEMF-UHFFFAOYSA-N
Molecular Formula	C7H4ClF3

944

4,4'-Dichlorobenzophenone, SPEX CertiPrep™

CAS: 90-98-2 Molecular Formula: C13H8Cl2O Molecular Weight (g/mol): 251.11 MDL Number: MFCD00000623 InChI Key: OKISUZLXOYGIFP-UHFFFAOYSA-N PubChem CID: 7034 ChEBI: CHEBI:27519 IUPAC Name: bis(4-chlorophenyl)methanone SMILES: ClC1=CC=C(C=C1)C(=O)C1=CC=C(Cl)C=C1

Pricing & Availability
Specifications

PubChem CID	7034
CAS	90-98-2
Molecular Weight (g/mol)	251.11
ChEBI	CHEBI:27519
MDL Number	MFCD00000623
SMILES	ClC1=CC=C(C=C1)C(=O)C1=CC=C(Cl)C=C1
IUPAC Name	bis(4-chlorophenyl)methanone
InChI Key	OKISUZLXOYGIFP-UHFFFAOYSA-N
Molecular Formula	C13H8Cl2O

945

Toluene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 108-88-3 Molecular Formula: C7H8 Molecular Weight (g/mol): 92.14 MDL Number: MFCD00008512 InChI Key: YXFVVABEGXRONW-UHFFFAOYSA-N PubChem CID: 1140 ChEBI: CHEBI:17578 IUPAC Name: toluene SMILES: CC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	1140
CAS	108-88-3
Molecular Weight (g/mol)	92.14
ChEBI	CHEBI:17578
MDL Number	MFCD00008512
SMILES	CC1=CC=CC=C1
IUPAC Name	toluene
InChI Key	YXFVVABEGXRONW-UHFFFAOYSA-N
Molecular Formula	C7H8

EPA Methods Standards

Filtered Search Results

Narrow Results

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

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

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

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

2,6,11,15-Tetramethylhexadecane, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,2-Dimethoxyethane in Dimethyl Sulfoxide, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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

1,2-Dichlorobenzene-d4, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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