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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886 – 900 of 1,030 results

886

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

887

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

888

Toxaphene, SPEX CertiPrep™

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

Pricing & Availability

889

2,2'-Difluorobiphenyls, SPEX CertiPrep™

CAS: 388-82-9 Molecular Formula: C12H8F2 Molecular Weight (g/mol): 190.19 MDL Number: MFCD00017910 InChI Key: PXFIPIAXFGAEMJ-UHFFFAOYSA-N PubChem CID: 123055 IUPAC Name: 2,2'-difluoro-1,1'-biphenyl SMILES: FC1=CC=CC=C1C1=CC=CC=C1F

Pricing & Availability
Specifications

PubChem CID	123055
CAS	388-82-9
Molecular Weight (g/mol)	190.19
MDL Number	MFCD00017910
SMILES	FC1=CC=CC=C1C1=CC=CC=C1F
IUPAC Name	2,2'-difluoro-1,1'-biphenyl
InChI Key	PXFIPIAXFGAEMJ-UHFFFAOYSA-N
Molecular Formula	C12H8F2

890

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

891

Chlorotoluron, SPEX CertiPrep™

Pricing & Availability

892

VOA Additional Analytes Mix D, High Level, SPEX CertiPrep™

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

Pricing & Availability

893

QC Check Solution, SPEX CertiPrep™

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

Pricing & Availability

894

Internal Standard, 1-Chloro-2-fluorobenzene, SPEX CertiPrep™

CAS: 348-51-6 Molecular Formula: C6H4ClF Molecular Weight (g/mol): 130.55 MDL Number: MFCD00000533 InChI Key: ZCJAYDKWZAWMPR-UHFFFAOYSA-N PubChem CID: 9583 IUPAC Name: 1-chloro-2-fluorobenzene SMILES: FC1=CC=CC=C1Cl

Pricing & Availability
Specifications

PubChem CID	9583
CAS	348-51-6
Molecular Weight (g/mol)	130.55
MDL Number	MFCD00000533
SMILES	FC1=CC=CC=C1Cl
IUPAC Name	1-chloro-2-fluorobenzene
InChI Key	ZCJAYDKWZAWMPR-UHFFFAOYSA-N
Molecular Formula	C6H4ClF

895

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

Pricing & Availability
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

896

2,7-Dimethylnaphthalene, SPEX CertiPrep™

CAS: 582-16-1 Molecular Formula: C12H12 Molecular Weight (g/mol): 156.23 MDL Number: MFCD00004121 InChI Key: LRQYSMQNJLZKPS-UHFFFAOYSA-N PubChem CID: 11396 ChEBI: CHEBI:48632 IUPAC Name: 2,7-dimethylnaphthalene SMILES: CC1=CC2=CC(C)=CC=C2C=C1

Pricing & Availability
Specifications

PubChem CID	11396
CAS	582-16-1
Molecular Weight (g/mol)	156.23
ChEBI	CHEBI:48632
MDL Number	MFCD00004121
SMILES	CC1=CC2=CC(C)=CC=C2C=C1
IUPAC Name	2,7-dimethylnaphthalene
InChI Key	LRQYSMQNJLZKPS-UHFFFAOYSA-N
Molecular Formula	C12H12

897

Volatiles Supplementary Volatiles Mix, SPEX CertiPrep™

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

Pricing & Availability

898

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

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

Pricing & Availability

899

Free Acids Mix; SPEX CertiPrep™

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

Pricing & Availability

900

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

EPA Methods Standards

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3-Chlorotoluene, 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

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

2,2'-Difluorobiphenyls, 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

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

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

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

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

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

2,7-Dimethylnaphthalene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Volatiles Supplementary Volatiles Mix, 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

Free Acids Mix; 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

3-Chlorotoluene, SPEX CertiPrep™

Heptachlor Epoxide, Isomer A, SPEX CertiPrep™

Toxaphene, SPEX CertiPrep™

2,2'-Difluorobiphenyls, SPEX CertiPrep™

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

Chlorotoluron, SPEX CertiPrep™

VOA Additional Analytes Mix D, High Level, SPEX CertiPrep™

QC Check Solution, SPEX CertiPrep™

Internal Standard, 1-Chloro-2-fluorobenzene, SPEX CertiPrep™

Technical Chlordane, High Level, SPEX CertiPrep™

2,7-Dimethylnaphthalene, SPEX CertiPrep™

Volatiles Supplementary Volatiles Mix, SPEX CertiPrep™

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

Free Acids Mix; SPEX CertiPrep™

1,4-Dichlorobutane, SPEX CertiPrep™