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 1,030 results

946

Surrogate Standard, 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

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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

947

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

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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

948

Toxaphene, SPEX CertiPrep™

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

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949

Chloroform in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 67-66-3 Molecular Formula: CHCl3 Molecular Weight (g/mol): 119.37 MDL Number: MFCD00000826 InChI Key: HEDRZPFGACZZDS-UHFFFAOYSA-N IUPAC Name: trichloromethane SMILES: ClC(Cl)Cl

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Specifications

CAS	67-66-3
Molecular Weight (g/mol)	119.37
MDL Number	MFCD00000826
SMILES	ClC(Cl)Cl
IUPAC Name	trichloromethane
InChI Key	HEDRZPFGACZZDS-UHFFFAOYSA-N
Molecular Formula	CHCl3

950

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

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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

951

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

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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

952

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

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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

953

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

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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

954

Diazinon-O-Analog, SPEX CertiPrep™

CAS: 962-58-3 Molecular Formula: C12H21N2O4P Molecular Weight (g/mol): 288.284 InChI Key: VBLJFQYCTRKKKF-UHFFFAOYSA-N PubChem CID: 13754 ChEBI: CHEBI:83533 IUPAC Name: diethyl (6-methyl-2-propan-2-ylpyrimidin-4-yl) phosphate SMILES: CCOP(=O)(OCC)OC1=NC(=NC(=C1)C)C(C)C

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Specifications

PubChem CID	13754
CAS	962-58-3
Molecular Weight (g/mol)	288.284
ChEBI	CHEBI:83533
SMILES	CCOP(=O)(OCC)OC1=NC(=NC(=C1)C)C(C)C
IUPAC Name	diethyl (6-methyl-2-propan-2-ylpyrimidin-4-yl) phosphate
InChI Key	VBLJFQYCTRKKKF-UHFFFAOYSA-N
Molecular Formula	C12H21N2O4P

955

Dibensyl Phthalate, SPEX CertiPrep™

CAS: 523-31-9 Molecular Formula: C22H18O4 Molecular Weight (g/mol): 346.382 InChI Key: UCVPKAZCQPRWAY-UHFFFAOYSA-N PubChem CID: 220773 IUPAC Name: dibenzyl benzene-1,2-dicarboxylate SMILES: C1=CC=C(C=C1)COC(=O)C2=CC=CC=C2C(=O)OCC3=CC=CC=C3

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Specifications

PubChem CID	220773
CAS	523-31-9
Molecular Weight (g/mol)	346.382
SMILES	C1=CC=C(C=C1)COC(=O)C2=CC=CC=C2C(=O)OCC3=CC=CC=C3
IUPAC Name	dibenzyl benzene-1,2-dicarboxylate
InChI Key	UCVPKAZCQPRWAY-UHFFFAOYSA-N
Molecular Formula	C22H18O4

956

Diphenylamine, SPEX CertiPrep™

CAS: 122-39-4 Molecular Formula: C12H11N Molecular Weight (g/mol): 169.227 InChI Key: DMBHHRLKUKUOEG-UHFFFAOYSA-N PubChem CID: 11487 ChEBI: CHEBI:4640 IUPAC Name: N-phenylaniline SMILES: C1=CC=C(C=C1)NC2=CC=CC=C2

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Specifications

PubChem CID	11487
CAS	122-39-4
Molecular Weight (g/mol)	169.227
ChEBI	CHEBI:4640
SMILES	C1=CC=C(C=C1)NC2=CC=CC=C2
IUPAC Name	N-phenylaniline
InChI Key	DMBHHRLKUKUOEG-UHFFFAOYSA-N
Molecular Formula	C12H11N

957

Isophorone, SPEX CertiPrep™

CAS: 78-59-1 Molecular Formula: C9H14O Molecular Weight (g/mol): 138.21 MDL Number: MFCD00001584 InChI Key: HJOVHMDZYOCNQW-UHFFFAOYSA-N PubChem CID: 6544 ChEBI: CHEBI:34800 IUPAC Name: 3,5,5-trimethylcyclohex-2-en-1-one SMILES: CC1=CC(=O)CC(C)(C)C1

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Specifications

PubChem CID	6544
CAS	78-59-1
Molecular Weight (g/mol)	138.21
ChEBI	CHEBI:34800
MDL Number	MFCD00001584
SMILES	CC1=CC(=O)CC(C)(C)C1
IUPAC Name	3,5,5-trimethylcyclohex-2-en-1-one
InChI Key	HJOVHMDZYOCNQW-UHFFFAOYSA-N
Molecular Formula	C9H14O

958

2-Chloro-1,3-butadiene, SPEX CertiPrep™

CAS: 126-99-8 Molecular Formula: C4H5Cl Molecular Weight (g/mol): 88.534 InChI Key: YACLQRRMGMJLJV-UHFFFAOYSA-N PubChem CID: 31369 ChEBI: CHEBI:39481 IUPAC Name: 2-chlorobuta-1,3-diene SMILES: C=CC(=C)Cl

Pricing & Availability
Specifications

PubChem CID	31369
CAS	126-99-8
Molecular Weight (g/mol)	88.534
ChEBI	CHEBI:39481
SMILES	C=CC(=C)Cl
IUPAC Name	2-chlorobuta-1,3-diene
InChI Key	YACLQRRMGMJLJV-UHFFFAOYSA-N
Molecular Formula	C4H5Cl

959

Benzontrile, SPEX CertiPrep™

CAS: 100-47-0 Molecular Formula: C7H5N Molecular Weight (g/mol): 103.124 InChI Key: JFDZBHWFFUWGJE-UHFFFAOYSA-N PubChem CID: 7505 ChEBI: CHEBI:27991 IUPAC Name: benzonitrile SMILES: C1=CC=C(C=C1)C#N

Pricing & Availability
Specifications

PubChem CID	7505
CAS	100-47-0
Molecular Weight (g/mol)	103.124
ChEBI	CHEBI:27991
SMILES	C1=CC=C(C=C1)C#N
IUPAC Name	benzonitrile
InChI Key	JFDZBHWFFUWGJE-UHFFFAOYSA-N
Molecular Formula	C7H5N

960

CLP Additional Analytes Mix, SPEX CertiPrep™

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

Pricing & Availability

EPA Methods Standards

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Surrogate Standard, 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

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

Chloroform in Dimethyl Sulfoxide, 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

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

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

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

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

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

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

2-Chloro-1,3-butadiene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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