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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841 – 855 of 995 results

841

Azinphos-Ethyl, SPEX CertiPrep™

CAS: 2642-71-9 Molecular Formula: C12H16N3O3PS2 Molecular Weight (g/mol): 345.372 InChI Key: RQVGAIADHNPSME-UHFFFAOYSA-N PubChem CID: 17531 ChEBI: CHEBI:38587 IUPAC Name: 3-(diethoxyphosphinothioylsulfanylmethyl)-1,2,3-benzotriazin-4-one SMILES: CCOP(=S)(OCC)SCN1C(=O)C2=CC=CC=C2N=N1

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Specifications

PubChem CID	17531
CAS	2642-71-9
Molecular Weight (g/mol)	345.372
ChEBI	CHEBI:38587
SMILES	CCOP(=S)(OCC)SCN1C(=O)C2=CC=CC=C2N=N1
IUPAC Name	3-(diethoxyphosphinothioylsulfanylmethyl)-1,2,3-benzotriazin-4-one
InChI Key	RQVGAIADHNPSME-UHFFFAOYSA-N
Molecular Formula	C12H16N3O3PS2

842

CLP 90 Mix F, SPEX CertiPrep™

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

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843

Dibromofluoromethane, SPEX CertiPrep™

CAS: 1868-53-7 Molecular Formula: CHBr2F Molecular Weight (g/mol): 191.825 InChI Key: LTUTVFXOEGMHMP-UHFFFAOYSA-N PubChem CID: 61280 IUPAC Name: dibromo(fluoro)methane SMILES: C(F)(Br)Br

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Specifications

PubChem CID	61280
CAS	1868-53-7
Molecular Weight (g/mol)	191.825
SMILES	C(F)(Br)Br
IUPAC Name	dibromo(fluoro)methane
InChI Key	LTUTVFXOEGMHMP-UHFFFAOYSA-N
Molecular Formula	CHBr2F

844

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

845

cis-1,2-Dichloroethene in Dimethyl Sulfoxide, SPEX CertiPrep™

CAS: 156-59-2 Molecular Formula: C2H2Cl2 Molecular Weight (g/mol): 96.938 InChI Key: KFUSEUYYWQURPO-UPHRSURJSA-N PubChem CID: 643833 ChEBI: CHEBI:28805 IUPAC Name: (Z)-1,2-dichloroethene SMILES: C(=CCl)Cl

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Specifications

PubChem CID	643833
CAS	156-59-2
Molecular Weight (g/mol)	96.938
ChEBI	CHEBI:28805
SMILES	C(=CCl)Cl
IUPAC Name	(Z)-1,2-dichloroethene
InChI Key	KFUSEUYYWQURPO-UPHRSURJSA-N
Molecular Formula	C2H2Cl2

846

Methyl Esters, SPEX CertiPrep™

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

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847

Combined Stock Solution, SPEX CertiPrep™

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

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848

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

849

Polynuclear Aromatic Hydrocarbons Mix B, SPEX CertiPrep™

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

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850

GC/MS Tuning Standard, High Level, 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

851

GC Degradation Check Solution, SPEX CertiPrep™

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

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852

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

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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

853

Skinner List Acid Extractables, SPEX CertiPrep™

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

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Specifications

Chemical Name or Material	Skinner List Acid Extractables

854

Surrogate Standard, 4,4'-Dibromobiphenyl, SPEX CertiPrep™

CAS: 92-86-4 Molecular Formula: C12H8Br2 Molecular Weight (g/mol): 312.00 MDL Number: MFCD00000101 InChI Key: HQJQYILBCQPYBI-UHFFFAOYSA-N PubChem CID: 7110 IUPAC Name: 4,4'-dibromo-1,1'-biphenyl SMILES: BrC1=CC=C(C=C1)C1=CC=C(Br)C=C1

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Specifications

PubChem CID	7110
CAS	92-86-4
Molecular Weight (g/mol)	312.00
MDL Number	MFCD00000101
SMILES	BrC1=CC=C(C=C1)C1=CC=C(Br)C=C1
IUPAC Name	4,4'-dibromo-1,1'-biphenyl
InChI Key	HQJQYILBCQPYBI-UHFFFAOYSA-N
Molecular Formula	C12H8Br2

855

Omite, SPEX CertiPrep™

CAS: 2312-35-8 Molecular Formula: C19H26O4S Molecular Weight (g/mol): 350.473 InChI Key: ZYHMJXZULPZUED-UHFFFAOYSA-N PubChem CID: 4936 ChEBI: CHEBI:39300 IUPAC Name: [2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite SMILES: CC(C)(C)C1=CC=C(C=C1)OC2CCCCC2OS(=O)OCC#C

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Specifications

PubChem CID	4936
CAS	2312-35-8
Molecular Weight (g/mol)	350.473
ChEBI	CHEBI:39300
SMILES	CC(C)(C)C1=CC=C(C=C1)OC2CCCCC2OS(=O)OCC#C
IUPAC Name	[2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite
InChI Key	ZYHMJXZULPZUED-UHFFFAOYSA-N
Molecular Formula	C19H26O4S

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