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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916 – 930 of 989 results

916

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

917

1,2-Difluorotetrachloroethane, SPEX CertiPrep™

CAS: 76-12-0 Molecular Formula: C2Cl4F2 Molecular Weight (g/mol): 203.819 InChI Key: UGCSPKPEHQEOSR-UHFFFAOYSA-N PubChem CID: 6427 IUPAC Name: 1,1,2,2-tetrachloro-1,2-difluoroethane SMILES: C(C(F)(Cl)Cl)(F)(Cl)Cl

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Specifications

PubChem CID	6427
CAS	76-12-0
Molecular Weight (g/mol)	203.819
SMILES	C(C(F)(Cl)Cl)(F)(Cl)Cl
IUPAC Name	1,1,2,2-tetrachloro-1,2-difluoroethane
InChI Key	UGCSPKPEHQEOSR-UHFFFAOYSA-N
Molecular Formula	C2Cl4F2

918

1,2 Dichloroethane in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 107-06-2 Molecular Formula: C2H4Cl2 Molecular Weight (g/mol): 98.95 MDL Number: MFCD00000963 InChI Key: WSLDOOZREJYCGB-UHFFFAOYSA-N PubChem CID: 11 ChEBI: CHEBI:27789 IUPAC Name: 1,2-dichloroethane SMILES: ClCCCl

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Specifications

PubChem CID	11
CAS	107-06-2
Molecular Weight (g/mol)	98.95
ChEBI	CHEBI:27789
MDL Number	MFCD00000963
SMILES	ClCCCl
IUPAC Name	1,2-dichloroethane
InChI Key	WSLDOOZREJYCGB-UHFFFAOYSA-N
Molecular Formula	C2H4Cl2

919

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™

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

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920

1,2-Dimethyl-4-Ethylbenzene, SPEX CertiPrep™

CAS: 934-80-5 Molecular Formula: C10H14 Molecular Weight (g/mol): 134.222 InChI Key: SBUYFICWQNHBCM-UHFFFAOYSA-N PubChem CID: 13629 IUPAC Name: 4-ethyl-1,2-dimethylbenzene SMILES: CCC1=CC(=C(C=C1)C)C

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Specifications

PubChem CID	13629
CAS	934-80-5
Molecular Weight (g/mol)	134.222
SMILES	CCC1=CC(=C(C=C1)C)C
IUPAC Name	4-ethyl-1,2-dimethylbenzene
InChI Key	SBUYFICWQNHBCM-UHFFFAOYSA-N
Molecular Formula	C10H14

921

n-Tridecane, SPEX CertiPrep™

CAS: 629-50-5 Molecular Formula: C13H28 Molecular Weight (g/mol): 184.37 MDL Number: MFCD00008979 InChI Key: IIYFAKIEWZDVMP-UHFFFAOYSA-N PubChem CID: 12388 ChEBI: CHEBI:35998 IUPAC Name: tridecane SMILES: CCCCCCCCCCCCC

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Specifications

PubChem CID	12388
CAS	629-50-5
Molecular Weight (g/mol)	184.37
ChEBI	CHEBI:35998
MDL Number	MFCD00008979
SMILES	CCCCCCCCCCCCC
IUPAC Name	tridecane
InChI Key	IIYFAKIEWZDVMP-UHFFFAOYSA-N
Molecular Formula	C13H28

922

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

923

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

924

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

925

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

926

o-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 95-47-6 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008519 InChI Key: CTQNGGLPUBDAKN-UHFFFAOYSA-N PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC Name: 1,2-xylene SMILES: CC1=CC=CC=C1C

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Specifications

PubChem CID	7237
CAS	95-47-6
Molecular Weight (g/mol)	106.17
ChEBI	CHEBI:28063
MDL Number	MFCD00008519
SMILES	CC1=CC=CC=C1C
IUPAC Name	1,2-xylene
InChI Key	CTQNGGLPUBDAKN-UHFFFAOYSA-N
Molecular Formula	C8H10

927

Cyanophos, SPEX CertiPrep™

CAS: 2636-26-2 Molecular Formula: C9H10NO3PS Molecular Weight (g/mol): 243.217 InChI Key: SCKHCCSZFPSHGR-UHFFFAOYSA-N PubChem CID: 17522 ChEBI: CHEBI:38621 IUPAC Name: 4-dimethoxyphosphinothioyloxybenzonitrile SMILES: COP(=S)(OC)OC1=CC=C(C=C1)C#N

Pricing & Availability
Specifications

PubChem CID	17522
CAS	2636-26-2
Molecular Weight (g/mol)	243.217
ChEBI	CHEBI:38621
SMILES	COP(=S)(OC)OC1=CC=C(C=C1)C#N
IUPAC Name	4-dimethoxyphosphinothioyloxybenzonitrile
InChI Key	SCKHCCSZFPSHGR-UHFFFAOYSA-N
Molecular Formula	C9H10NO3PS

928

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

929

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

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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

930

Volatile Calibration Standard, SPEX CertiPrep™

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

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EPA Methods Standards

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

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

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

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,2-Dimethyl-4-Ethylbenzene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

n-Tridecane, 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

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

Surrogate Standard, 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

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

Cyanophos, 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

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