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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871 – 885 of 995 results

871

Vanillin, SPEX CertiPrep™

CAS: 121-33-5 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.15 MDL Number: MFCD00006942,MFCD08702848 InChI Key: MWOOGOJBHIARFG-UHFFFAOYSA-N PubChem CID: 1183 ChEBI: CHEBI:18346 IUPAC Name: 4-hydroxy-3-methoxybenzaldehyde SMILES: COC1=CC(C=O)=CC=C1O

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Specifications

PubChem CID	1183
CAS	121-33-5
Molecular Weight (g/mol)	152.15
ChEBI	CHEBI:18346
MDL Number	MFCD00006942,MFCD08702848
SMILES	COC1=CC(C=O)=CC=C1O
IUPAC Name	4-hydroxy-3-methoxybenzaldehyde
InChI Key	MWOOGOJBHIARFG-UHFFFAOYSA-N
Molecular Formula	C8H8O3

872

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™

CAS: 99-76-3 Molecular Formula: C8H8O3 Molecular Weight (g/mol): 152.149 InChI Key: LXCFILQKKLGQFO-UHFFFAOYSA-N PubChem CID: 7456 ChEBI: CHEBI:31835 IUPAC Name: methyl 4-hydroxybenzoate SMILES: COC(=O)C1=CC=C(C=C1)O

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Specifications

PubChem CID	7456
CAS	99-76-3
Molecular Weight (g/mol)	152.149
ChEBI	CHEBI:31835
SMILES	COC(=O)C1=CC=C(C=C1)O
IUPAC Name	methyl 4-hydroxybenzoate
InChI Key	LXCFILQKKLGQFO-UHFFFAOYSA-N
Molecular Formula	C8H8O3

873

GC/MS Tuning Standard, 4-Bromofluorobenzene, SPEX CertiPrep™

CAS: 460-00-4 Molecular Formula: C6H4BrF Molecular Weight (g/mol): 175.00 MDL Number: MFCD00000342 InChI Key: AITNMTXHTIIIBB-UHFFFAOYSA-N PubChem CID: 9993 IUPAC Name: 1-bromo-4-fluorobenzene SMILES: FC1=CC=C(Br)C=C1

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Specifications

PubChem CID	9993
CAS	460-00-4
Molecular Weight (g/mol)	175.00
MDL Number	MFCD00000342
SMILES	FC1=CC=C(Br)C=C1
IUPAC Name	1-bromo-4-fluorobenzene
InChI Key	AITNMTXHTIIIBB-UHFFFAOYSA-N
Molecular Formula	C6H4BrF

874

Spex CertiPrep™ Base/Neutral Surrogate Standard for EPA and CLP

Analytical standard for monitoring municipal water, industrial wastewater, and environmental and waste samples

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875

Aroclor 1262, High Level, SPEX CertiPrep™

CAS: 37324-23-5

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Specifications

CAS	37324-23-5

876

n-Nonacosane, SPEX CertiPrep™

CAS: 630-03-5 Molecular Formula: C29H60 Molecular Weight (g/mol): 408.80 MDL Number: MFCD00009356 InChI Key: IGGUPRCHHJZPBS-UHFFFAOYSA-N PubChem CID: 12409 ChEBI: CHEBI:7613 IUPAC Name: nonacosane SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCC

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Specifications

PubChem CID	12409
CAS	630-03-5
Molecular Weight (g/mol)	408.80
ChEBI	CHEBI:7613
MDL Number	MFCD00009356
SMILES	CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
IUPAC Name	nonacosane
InChI Key	IGGUPRCHHJZPBS-UHFFFAOYSA-N
Molecular Formula	C29H60

877

Tetryl, SPEX CertiPrep™

CAS: 479-45-8 Molecular Formula: C7H5N5O8 Molecular Weight (g/mol): 287.144 InChI Key: AGUIVNYEYSCPNI-UHFFFAOYSA-N PubChem CID: 10178 ChEBI: CHEBI:28950 IUPAC Name: N-methyl-N-(2,4,6-trinitrophenyl)nitramide SMILES: CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]

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Specifications

PubChem CID	10178
CAS	479-45-8
Molecular Weight (g/mol)	287.144
ChEBI	CHEBI:28950
SMILES	CN(C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
IUPAC Name	N-methyl-N-(2,4,6-trinitrophenyl)nitramide
InChI Key	AGUIVNYEYSCPNI-UHFFFAOYSA-N
Molecular Formula	C7H5N5O8

878

Methyl Esters, SPEX CertiPrep™

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

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879

Pentafluorobenzene, SPEX CertiPrep™

CAS: 363-72-4 Molecular Formula: C6HF5 Molecular Weight (g/mol): 168.07 MDL Number: MFCD00000286 InChI Key: WACNXHCZHTVBJM-UHFFFAOYSA-N PubChem CID: 9696 IUPAC Name: 1,2,3,4,5-pentafluorobenzene SMILES: FC1=CC(F)=C(F)C(F)=C1F

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Specifications

PubChem CID	9696
CAS	363-72-4
Molecular Weight (g/mol)	168.07
MDL Number	MFCD00000286
SMILES	FC1=CC(F)=C(F)C(F)=C1F
IUPAC Name	1,2,3,4,5-pentafluorobenzene
InChI Key	WACNXHCZHTVBJM-UHFFFAOYSA-N
Molecular Formula	C6HF5

880

Pentyl Acetate, SPEX CertiPrep™

CAS: 123-92-2 Molecular Formula: C7H14O2 Molecular Weight (g/mol): 130.19 MDL Number: MFCD00008946 InChI Key: MLFHJEHSLIIPHL-UHFFFAOYSA-N PubChem CID: 31276 ChEBI: CHEBI:31725 IUPAC Name: 3-methylbutyl acetate SMILES: CC(C)CCOC(C)=O

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Specifications

PubChem CID	31276
CAS	123-92-2
Molecular Weight (g/mol)	130.19
ChEBI	CHEBI:31725
MDL Number	MFCD00008946
SMILES	CC(C)CCOC(C)=O
IUPAC Name	3-methylbutyl acetate
InChI Key	MLFHJEHSLIIPHL-UHFFFAOYSA-N
Molecular Formula	C7H14O2

881

1-Propanethiol, SPEX CertiPrep™

CAS: 107-03-9 Molecular Formula: C3H8S Molecular Weight (g/mol): 76.157 InChI Key: SUVIGLJNEAMWEG-UHFFFAOYSA-N PubChem CID: 7848 ChEBI: CHEBI:8473 IUPAC Name: propane-1-thiol SMILES: CCCS

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Specifications

PubChem CID	7848
CAS	107-03-9
Molecular Weight (g/mol)	76.157
ChEBI	CHEBI:8473
SMILES	CCCS
IUPAC Name	propane-1-thiol
InChI Key	SUVIGLJNEAMWEG-UHFFFAOYSA-N
Molecular Formula	C3H8S

882

Volatiles Mix A, SPEX CertiPrep™

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

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883

GC/MS Tuning Standard, High Level, 4-Bromofluorobenzene, SPEX CertiPrep™

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Specifications

PubChem CID	9993
CAS	460-00-4
Molecular Weight (g/mol)	175.00
MDL Number	MFCD00000342
SMILES	FC1=CC=C(Br)C=C1
IUPAC Name	1-bromo-4-fluorobenzene
InChI Key	AITNMTXHTIIIBB-UHFFFAOYSA-N
Molecular Formula	C6H4BrF

884

Semi-Volatile GC/MS Tuning Standard, Decafluorotriphenylphosphine, SPEX CertiPrep™

CAS: 5074-71-5 Molecular Formula: C18H5F10P Molecular Weight (g/mol): 442.20 InChI Key: OYNXPGGNQMSMTR-UHFFFAOYSA-N PubChem CID: 78757 IUPAC Name: bis(2,3,4,5,6-pentafluorophenyl)-phenylphosphane SMILES: FC1=C(F)C(F)=C(P(C2=CC=CC=C2)C2=C(F)C(F)=C(F)C(F)=C2F)C(F)=C1F

Pricing & Availability
Specifications

PubChem CID	78757
CAS	5074-71-5
Molecular Weight (g/mol)	442.20
SMILES	FC1=C(F)C(F)=C(P(C2=CC=CC=C2)C2=C(F)C(F)=C(F)C(F)=C2F)C(F)=C1F
IUPAC Name	bis(2,3,4,5,6-pentafluorophenyl)-phenylphosphane
InChI Key	OYNXPGGNQMSMTR-UHFFFAOYSA-N
Molecular Formula	C18H5F10P

885

Combined Stock Solution, SPEX CertiPrep™

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

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EPA Methods Standards

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

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

GC/MS Tuning Standard, 4-Bromofluorobenzene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Spex CertiPrep™ Base/Neutral Surrogate Standard for EPA and CLP Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Aroclor 1262, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

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

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

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

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

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

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

GC/MS Tuning Standard, High Level, 4-Bromofluorobenzene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Semi-Volatile GC/MS Tuning Standard, Decafluorotriphenylphosphine, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Vanillin, SPEX CertiPrep™

p-Hydroxbenzoic Acid Methyl Ester, SPEX CertiPrep™

GC/MS Tuning Standard, 4-Bromofluorobenzene, SPEX CertiPrep™

Spex CertiPrep™ Base/Neutral Surrogate Standard for EPA and CLP

Aroclor 1262, High Level, SPEX CertiPrep™

n-Nonacosane, SPEX CertiPrep™

Tetryl, SPEX CertiPrep™

Methyl Esters, SPEX CertiPrep™

Pentafluorobenzene, SPEX CertiPrep™

Pentyl Acetate, SPEX CertiPrep™

1-Propanethiol, SPEX CertiPrep™

Volatiles Mix A, SPEX CertiPrep™

GC/MS Tuning Standard, High Level, 4-Bromofluorobenzene, SPEX CertiPrep™

Semi-Volatile GC/MS Tuning Standard, Decafluorotriphenylphosphine, SPEX CertiPrep™

Combined Stock Solution, SPEX CertiPrep™