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Environmental Testing Standards

Reference and calibration standards for environmental testing protocols; includes water, wastewater, EPA, TOC, DOD and other laboratory and environmental chemical standards.
EPA Methods Standards (1,082)
TOC Standards (337)
Contract Laboratory Program Standards (140)
Wastewater Standards (100)
Drinking Water Standards (95)
Carbon Oxygen Demand Standards (74)
Environmental Chemical Standards (61)

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Search Within Results
Keyword Search:
1,726 – 1,740 of 1,787 results
1,726

Technical Chlordane, High Level, SPEX CertiPrep™
SDP

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

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
1,727

Volatiles Supplementary Volatiles Mix, SPEX CertiPrep™
SDP

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

1,728

Endothall-PFPH-Stock Standard, SPEX CertiPrep™
SDP

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

1,729

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

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

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
1,730

o-Xylene in Dimethyl Sulfoxide, SPEX CertiPrep™
SDP

CAS: 95-47-6 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008519 InChI Key: CTQNGGLPUBDAKN-UHFFFAOYSA-N PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC Name: 1,2-xylene SMILES: CC1=CC=CC=C1C

PubChem CID 7237
CAS 95-47-6
Molecular Weight (g/mol) 106.17
ChEBI CHEBI:28063
MDL Number MFCD00008519
SMILES CC1=CC=CC=C1C
IUPAC Name 1,2-xylene
InChI Key CTQNGGLPUBDAKN-UHFFFAOYSA-N
Molecular Formula C8H10
1,731

n-Tridecane, SPEX CertiPrep™
SDP

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

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
1,732

2,2',3,3',4,3',6-Heptachlorobiphenyl, SPEX CertiPrep™
SDP

CAS: 52663-71-5 Molecular Formula: C12H3Cl7 Molecular Weight (g/mol): 395.306 InChI Key: TZMHVHLTPWKZCI-UHFFFAOYSA-N PubChem CID: 40478 IUPAC Name: 1,2,3,5-tetrachloro-4-(2,3,4-trichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1C2=C(C(=C(C=C2Cl)Cl)Cl)Cl)Cl)Cl)Cl

PubChem CID 40478
CAS 52663-71-5
Molecular Weight (g/mol) 395.306
SMILES C1=CC(=C(C(=C1C2=C(C(=C(C=C2Cl)Cl)Cl)Cl)Cl)Cl)Cl
IUPAC Name 1,2,3,5-tetrachloro-4-(2,3,4-trichlorophenyl)benzene
InChI Key TZMHVHLTPWKZCI-UHFFFAOYSA-N
Molecular Formula C12H3Cl7
1,733

Performance Check Standard, SPEX CertiPrep™
SDP

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

1,734

Carbon Tetrachloride in Dimethyl Sulfoxide, SPEX CertiPrep™
SDP

CAS: 56-23-5 Molecular Formula: CCl4 Molecular Weight (g/mol): 153.81 MDL Number: MFCD00000785 InChI Key: VZGDMQKNWNREIO-UHFFFAOYSA-N PubChem CID: 5943 ChEBI: CHEBI:27385 IUPAC Name: tetrachloromethane SMILES: ClC(Cl)(Cl)Cl

PubChem CID 5943
CAS 56-23-5
Molecular Weight (g/mol) 153.81
ChEBI CHEBI:27385
MDL Number MFCD00000785
SMILES ClC(Cl)(Cl)Cl
IUPAC Name tetrachloromethane
InChI Key VZGDMQKNWNREIO-UHFFFAOYSA-N
Molecular Formula CCl4
1,735

Aroclor Mix 1, SPEX CertiPrep™
SDP

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

1,736

Aroclor 1268, High Level, SPEX CertiPrep™
SDP

CAS: 37324-23-5

CAS 37324-23-5
1,737

Aroclor Mix 2, SPEX CertiPrep™
SDP

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

1,738

3-Methylthipene, SPEX CertiPrep™
SDP

CAS: 616-44-4 Molecular Formula: C5H6S Molecular Weight (g/mol): 98.163 InChI Key: QENGPZGAWFQWCZ-UHFFFAOYSA-N PubChem CID: 12024 IUPAC Name: 3-methylthiophene SMILES: CC1=CSC=C1

PubChem CID 12024
CAS 616-44-4
Molecular Weight (g/mol) 98.163
SMILES CC1=CSC=C1
IUPAC Name 3-methylthiophene
InChI Key QENGPZGAWFQWCZ-UHFFFAOYSA-N
Molecular Formula C5H6S
1,739

1,1,1-Trichloroacetone, SPEX CertiPrep™
SDP

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

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
1,740

Aspon, SPEX CertiPrep™
SDP

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