EPA Methods Standards

a,a-Dichlorotoluene, SPEX CertiPrep™

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CAS: 98-87-3 Molecular Formula: C7H6Cl2 Molecular Weight (g/mol): 161.025 InChI Key: CAHQGWAXKLQREW-UHFFFAOYSA-N PubChem CID: 7411 ChEBI: CHEBI:82273 IUPAC Name: dichloromethylbenzene SMILES: C1=CC=C(C=C1)C(Cl)Cl

Volatiles Mix A, SPEX CertiPrep™

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

Surrogate Standard, 2-Nitro-m-xylene, SPEX CertiPrep™

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CAS: 81-20-9 Molecular Formula: C8H9NO2 Molecular Weight (g/mol): 151.165 InChI Key: HDFQKJQEWGVKCQ-UHFFFAOYSA-N PubChem CID: 6672 IUPAC Name: 1,3-dimethyl-2-nitrobenzene SMILES: CC1=C(C(=CC=C1)C)[N+](=O)[O-]

1,5-Dimethylnaphthalene, SPEX CertiPrep™

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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

Aroclor 1262, High Level, SPEX CertiPrep™

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CAS: 37324-23-5

Appendix IX Mix C, SPEX CertiPrep™

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

Methyl Linolenate, SPEX CertiPrep™

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CAS: 301-00-8 Molecular Formula: CH4O Molecular Weight (g/mol): 32.04 MDL Number: MFCD00004595 InChI Key: OKKJLVBELUTLKV-UHFFFAOYSA-N Synonym: methyl linolenate,linolenic acid methyl ester,methyl alpha-linolenate,linolenic acid, methyl ester,unii-0s1ns923k6,alpha-linolenic acid methyl ester,methyl all-cis-9,12,15-octadecatrienoate,methyl 9z,12z,15z-octadeca-9,12,15-trienoate,9,12,15-octadecatrienoic acid, methyl ester, z,z,z,methyl cis,cis,cis-octadec-9,12,15-trienoate IUPAC Name: methyl (9Z,12Z,15Z)-octadeca-9,12,15-trienoate SMILES: CO

Method 614 Kit, SPEX CertiPrep™

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

Asana (Esfenvalerate), SPEX CertiPrep™

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CAS: 66230-04-4 Molecular Formula: C25H22ClNO3 Molecular Weight (g/mol): 419.905 InChI Key: NYPJDWWKZLNGGM-RPWUZVMVSA-N PubChem CID: 10342051 ChEBI: CHEBI:39346 IUPAC Name: [(S)-cyano-(3-phenoxyphenyl)methyl] (2S)-2-(4-chlorophenyl)-3-methylbutanoate SMILES: CC(C)C(C1=CC=C(C=C1)Cl)C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3

2,4,4-Trimethyl-1-Pentene, SPEX CertiPrep™

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CAS: 107-39-1 Molecular Formula: C8H16 Molecular Weight (g/mol): 112.216 InChI Key: FXNDIJDIPNCZQJ-UHFFFAOYSA-N PubChem CID: 7868 IUPAC Name: 2,4,4-trimethylpent-1-ene SMILES: CC(=C)CC(C)(C)C

Acrolein and Acrylonitrile in Water, SPEX CertiPrep™

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2,4,4-Trimethyl-1-Pentanol, SPEX CertiPrep™

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CAS: 16325-63-6 Molecular Formula: C8H18O Molecular Weight (g/mol): 130.231 InChI Key: ZNRVRWHPZZOTIE-UHFFFAOYSA-N PubChem CID: 85984 IUPAC Name: 2,4,4-trimethylpentan-1-ol SMILES: CC(CC(C)(C)C)CO

Tetryl, SPEX CertiPrep™

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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-]

Ethylbenzene in Dimethyl Sulfoxide, SPEX CertiPrep™

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CAS: 100-41-4 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.168 InChI Key: YNQLUTRBYVCPMQ-UHFFFAOYSA-N PubChem CID: 7500 ChEBI: CHEBI:16101 IUPAC Name: ethylbenzene SMILES: CCC1=CC=CC=C1

Solids Concentrate Wastewater QC Sample, SPEX CertiPrep™

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Solids Concentrate Wastewater QC Sample, 23 mL vial, SPEX CertiPrep™. ISO Guide 34 Certified