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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826 – 840 of 995 results

826

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

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CAS	8001-35-2

827

Crotoxyphos, SPEX CertiPrep™

CAS: 7700-17-6 Molecular Formula: C14H19O6P Molecular Weight (g/mol): 314.274 InChI Key: XXXSILNSXNPGKG-ZHACJKMWSA-N PubChem CID: 5371578 ChEBI: CHEBI:82110 IUPAC Name: 1-phenylethyl (E)-3-dimethoxyphosphoryloxybut-2-enoate SMILES: CC(C1=CC=CC=C1)OC(=O)C=C(C)OP(=O)(OC)OC

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Specifications

PubChem CID	5371578
CAS	7700-17-6
Molecular Weight (g/mol)	314.274
ChEBI	CHEBI:82110
SMILES	CC(C1=CC=CC=C1)OC(=O)C=C(C)OP(=O)(OC)OC
IUPAC Name	1-phenylethyl (E)-3-dimethoxyphosphoryloxybut-2-enoate
InChI Key	XXXSILNSXNPGKG-ZHACJKMWSA-N
Molecular Formula	C14H19O6P

828

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]

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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

829

Internal Standard, Bromodichloromethane, SPEX CertiPrep™

CAS: 75-27-4 Molecular Formula: CHBrCl2 Molecular Weight (g/mol): 163.823 InChI Key: FMWLUWPQPKEARP-UHFFFAOYSA-N PubChem CID: 6359 ChEBI: CHEBI:34591 IUPAC Name: bromo(dichloro)methane SMILES: C(Cl)(Cl)Br

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Specifications

PubChem CID	6359
CAS	75-27-4
Molecular Weight (g/mol)	163.823
ChEBI	CHEBI:34591
SMILES	C(Cl)(Cl)Br
IUPAC Name	bromo(dichloro)methane
InChI Key	FMWLUWPQPKEARP-UHFFFAOYSA-N
Molecular Formula	CHBrCl2

830

Aroclor Mix 1, SPEX CertiPrep™

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

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831

Technical Chlordane, High Level, SPEX CertiPrep™

CAS: 57-74-9 Molecular Formula: C10H6Cl8 Molecular Weight (g/mol): 409.758 InChI Key: BIWJNBZANLAXMG-POTNBKISSA-N PubChem CID: 24860539 SMILES: C1C2C(C(C1Cl)Cl)C3(C(=C(C2(C3(Cl)Cl)Cl)Cl)Cl)Cl

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Specifications

PubChem CID	24860539
CAS	57-74-9
Molecular Weight (g/mol)	409.758
SMILES	C1C2C(C(C1Cl)Cl)C3(C(=C(C2(C3(Cl)Cl)Cl)Cl)Cl)Cl
InChI Key	BIWJNBZANLAXMG-POTNBKISSA-N
Molecular Formula	C10H6Cl8

832

Performance Check Standard, SPEX CertiPrep™

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

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833

Acid Matrix Spike, SPEX CertiPrep™

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

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834

3-Methylthipene, SPEX CertiPrep™

CAS: 616-44-4 Molecular Formula: C5H6S Molecular Weight (g/mol): 98.163 InChI Key: QENGPZGAWFQWCZ-UHFFFAOYSA-N PubChem CID: 12024 IUPAC Name: 3-methylthiophene SMILES: CC1=CSC=C1

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Specifications

PubChem CID	12024
CAS	616-44-4
Molecular Weight (g/mol)	98.163
SMILES	CC1=CSC=C1
IUPAC Name	3-methylthiophene
InChI Key	QENGPZGAWFQWCZ-UHFFFAOYSA-N
Molecular Formula	C5H6S

835

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

836

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

837

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

838

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

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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

839

Pentachlorophenol, SPEX CertiPrep™

CAS: 87-86-5 Molecular Formula: C6HCl5O Molecular Weight (g/mol): 266.323 InChI Key: IZUPBVBPLAPZRR-UHFFFAOYSA-N PubChem CID: 992 ChEBI: CHEBI:17642 IUPAC Name: 2,3,4,5,6-pentachlorophenol SMILES: C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)O

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Specifications

PubChem CID	992
CAS	87-86-5
Molecular Weight (g/mol)	266.323
ChEBI	CHEBI:17642
SMILES	C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)O
IUPAC Name	2,3,4,5,6-pentachlorophenol
InChI Key	IZUPBVBPLAPZRR-UHFFFAOYSA-N
Molecular Formula	C6HCl5O

840

Carbon Tetrachloride in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 56-23-5 Molecular Formula: CCl4 Molecular Weight (g/mol): 153.81 MDL Number: MFCD00000785 InChI Key: VZGDMQKNWNREIO-UHFFFAOYSA-N PubChem CID: 5943 ChEBI: CHEBI:27385 IUPAC Name: tetrachloromethane SMILES: ClC(Cl)(Cl)Cl

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Specifications

PubChem CID	5943
CAS	56-23-5
Molecular Weight (g/mol)	153.81
ChEBI	CHEBI:27385
MDL Number	MFCD00000785
SMILES	ClC(Cl)(Cl)Cl
IUPAC Name	tetrachloromethane
InChI Key	VZGDMQKNWNREIO-UHFFFAOYSA-N
Molecular Formula	CCl4

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