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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976 – 990 of 1,030 results

976

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

977

Derivitized Endothall Standard, SPEX CertiPrep™

CAS: 62059-43-2 Molecular Formula: C8H12O6 Molecular Weight (g/mol): 204.178 InChI Key: RHLALKDQINFLPM-UHFFFAOYSA-N PubChem CID: 23615703 IUPAC Name: 7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid;hydrate SMILES: C1CC2C(C(C1O2)C(=O)O)C(=O)O.O

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Specifications

PubChem CID	23615703
CAS	62059-43-2
Molecular Weight (g/mol)	204.178
SMILES	C1CC2C(C(C1O2)C(=O)O)C(=O)O.O
IUPAC Name	7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid;hydrate
InChI Key	RHLALKDQINFLPM-UHFFFAOYSA-N
Molecular Formula	C8H12O6

978

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™

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

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979

Aroclor 1268, High Level, SPEX CertiPrep™

CAS: 37324-23-5

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Specifications

CAS	37324-23-5

980

Phthalic Acid Di-n-Amyl Ester, SPEX CertiPrep™

CAS: 131-18-0 Molecular Formula: C18H26O4 Molecular Weight (g/mol): 306.402 InChI Key: IPKKHRVROFYTEK-UHFFFAOYSA-N PubChem CID: 8561 ChEBI: CHEBI:34680 IUPAC Name: dipentyl benzene-1,2-dicarboxylate SMILES: CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC

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Specifications

PubChem CID	8561
CAS	131-18-0
Molecular Weight (g/mol)	306.402
ChEBI	CHEBI:34680
SMILES	CCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCC
IUPAC Name	dipentyl benzene-1,2-dicarboxylate
InChI Key	IPKKHRVROFYTEK-UHFFFAOYSA-N
Molecular Formula	C18H26O4

981

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

982

Aspon, SPEX CertiPrep™

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

Pricing & Availability

983

1,1,1-Trichloroacetone, SPEX CertiPrep™

CAS: 918-00-3 Molecular Formula: C3H3Cl3O Molecular Weight (g/mol): 161.41 MDL Number: MFCD00018829 InChI Key: SMZHKGXSEAGRTI-UHFFFAOYSA-N PubChem CID: 13514 IUPAC Name: 1,1,1-trichloropropan-2-one SMILES: CC(=O)C(Cl)(Cl)Cl

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Specifications

PubChem CID	13514
CAS	918-00-3
Molecular Weight (g/mol)	161.41
MDL Number	MFCD00018829
SMILES	CC(=O)C(Cl)(Cl)Cl
IUPAC Name	1,1,1-trichloropropan-2-one
InChI Key	SMZHKGXSEAGRTI-UHFFFAOYSA-N
Molecular Formula	C3H3Cl3O

984

Halogenated Pesticides and Herbicides Blend, SPEX CertiPrep™

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

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985

State of Pennsylvania Polynuclear Aromatic Hydrocarbons Extractables Mix, SPEX CertiPrep™

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

Pricing & Availability

986

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

Pricing & Availability
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

987

Toxaphene Standard, High Level, SPEX CertiPrep™

CAS: 8001-35-2

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Specifications

CAS	8001-35-2

988

Dinocap, SPEX CertiPrep™

CAS: 39300-45-3 Molecular Formula: C18H26N2O6 Molecular Weight (g/mol): 366.41

Pricing & Availability
Specifications

CAS	39300-45-3
Molecular Weight (g/mol)	366.41
Molecular Formula	C18H26N2O6

989

1,1-Dichloropropene, SPEX CertiPrep™

CAS: 563-58-6 Molecular Formula: C3H4Cl2 Molecular Weight (g/mol): 110.965 InChI Key: ZAIDIVBQUMFXEC-UHFFFAOYSA-N PubChem CID: 11245 IUPAC Name: 1,1-dichloroprop-1-ene SMILES: CC=C(Cl)Cl

Pricing & Availability
Specifications

PubChem CID	11245
CAS	563-58-6
Molecular Weight (g/mol)	110.965
SMILES	CC=C(Cl)Cl
IUPAC Name	1,1-dichloroprop-1-ene
InChI Key	ZAIDIVBQUMFXEC-UHFFFAOYSA-N
Molecular Formula	C3H4Cl2

990

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

Pricing & Availability
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

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

Derivitized Endothall Standard, 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

Aroclor 1268, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phthalic Acid Di-n-Amyl Ester, 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

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

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

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

State of Pennsylvania Polynuclear Aromatic Hydrocarbons Extractables Mix, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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

Pentachlorophenol, 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™

Derivitized Endothall Standard, SPEX CertiPrep™

Internal Standard, For USEPA Method 525.2, SPEX CertiPrep™

Aroclor 1268, High Level, SPEX CertiPrep™

Phthalic Acid Di-n-Amyl Ester, SPEX CertiPrep™

n-Tridecane, SPEX CertiPrep™

Aspon, SPEX CertiPrep™

1,1,1-Trichloroacetone, SPEX CertiPrep™

Halogenated Pesticides and Herbicides Blend, SPEX CertiPrep™

State of Pennsylvania Polynuclear Aromatic Hydrocarbons Extractables Mix, SPEX CertiPrep™

Crotoxyphos, SPEX CertiPrep™

Toxaphene Standard, High Level, SPEX CertiPrep™

Dinocap, SPEX CertiPrep™

1,1-Dichloropropene, SPEX CertiPrep™

Pentachlorophenol, SPEX CertiPrep™