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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 (1,041)
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Keyword Search:
1,051 – 1,065 of 1,750 results
1,051

eMolecules​ 853058-41-0 | Ambeed | Ethyl 4-oxo-45-dihydro-1H-pyrrolo[32-d]pyrimidine-7-carboxylate | 100mg | 521394460 | A109377 | MFCD10566078 | 207.189 | C9H9N3O3

Ambeed | Ethyl 4-oxo-45-dihydro-1H-pyrrolo[32-d]pyrimidine-7-carboxylate | 100mg | 521394460 | A109377 | 853058-41-0 | MFCD10566078 | 207.189 | C9H9N3O3

ENCOMPASS_PREFERRED
1,052

eMolecules​ 2096339-62-5 | Ambeed | (4-(Ethoxycarbonyl)-2-methylphenyl)boronic acid | 250mg | 728126347 | A338052 | MFCD21332941 | 208.02 | C10H13BO4

Ambeed | 4-(Dicyclohexylphosphino)-NN-dimethylaniline | 100mg | 571785650 | A819485 | 40438-64-0 | MFCD11044859 | 317.457 | C20H32NP

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1,053

Cambridge Isotope Laboratories METHACRYLONITRILE (NITRILE-13C, 99%), 0.25 G

METHACRYLONITRILE (NITRILE-13C, 99%), 0.25 G

ENCOMPASS
1,054

eMolecules​ 321661-62-5 | Ambeed | Ethyl 2-(35-dihydroxy-2-octanoylphenyl)acetate | 5mg | 525233437 | A684712 | MFCD12912406 | 322.401 | C18H26O5

ChemScene | (2-(Benzyloxy)-5-fluorophenyl)boronic acid | 250mg | 536856180 | CS-W012705 | 779331-47-4 | MFCD03788403 | 246.040 | C13H12BFO3

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1,055

eMolecules​ 83123-75-5 | Ambeed | Ethyl 2-((5-thioxo-45-dihydro-134-thiadiazol-2-yl)thio)acetate | 1g | 686015949 | A1520325 | MFCD00962150 | 236.32 | C6H8N2O2S3

Ambeed | Ethyl 2-((5-thioxo-45-dihydro-134-thiadiazol-2-yl)thio)acetate | 1g | 686015949 | A1520325 | 83123-75-5 | MFCD00962150 | 236.320 | C6H8N2O2S3

ENCOMPASS_PREFERRED
1,056

eMolecules​ 87326-25-8 | ChemScene | Ethyl 2-methyl-1H-imidazole-5-carboxylate | 100mg | 601110187 | CS-0160005 | 154.169 | C7H10N2O2

ChemScene | Ethyl 2-methyl-1H-imidazole-5-carboxylate | 100mg | 601110187 | CS-0160005 | 87326-25-8 | 154.169 | C7H10N2O2

ENCOMPASS_PREFERRED
1,057

eMolecules​ 174398-83-5 | Ambeed | Ethyl 34-bis(benzyloxy)benzoate | 1g | 572922504 | A146538 | MFCD01861873 | 362.425 | C23H22O4

Ambeed | tert-Butyl 4-(dimethylcarbamoyl)piperidine-1-carboxylate | 100mg | 595929190 | A605480 | 254905-58-3 | MFCD07776586 | 256.346 | C13H24N2O3

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1,058

eMolecules​ Ambeed / Ethyl 2-(methylthio)-6-oxo-16-dihydropyrimidine-5-carboxylate / 5g / 525043806 / A136541 / / 53554-29-3 / MFCD00194960 / 214.240 / C8H10N2O3S

Ambeed / Ethyl 2-(methylthio)-6-oxo-16-dihydropyrimidine-5-carboxylate / 5g / 525043806 / A136541 / / 53554-29-3 / MFCD00194960 / 214.240 / C8H10N2O3S

ENCOMPASS_PREFERRED
1,059

eMolecules​ Ambeed / 2-(3-Ethoxy-4-(ethoxycarbonyl)phenyl)acetic acid / 1g / 525052811 / A142970 / / 99469-99-5 / MFCD08704233 / 252.266 / C13H16O5

Ambeed / 2-(3-Ethoxy-4-(ethoxycarbonyl)phenyl)acetic acid / 1g / 525052811 / A142970 / / 99469-99-5 / MFCD08704233 / 252.266 / C13H16O5

ENCOMPASS_PREFERRED
1,060

eMolecules​ Ambeed / Ethyl 2-mercapto-1H-imidazole-4-carboxylate / 250mg / 562292741 / A817150 / / 64038-64-8 / MFCD00068042 / 172.200 / C6H8N2O2S

Ambeed / Ethyl 2-mercapto-1H-imidazole-4-carboxylate / 250mg / 562292741 / A817150 / / 64038-64-8 / MFCD00068042 / 172.200 / C6H8N2O2S

ENCOMPASS_PREFERRED
1,061

ERA WATERS CORP SULFATE - 1000 MG/L, 125 ML
SDP

One 125 mL standard containing Sulfate at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.

ENCOMPASS
1,062

eMolecules​ 96136-12-8 | ChemScene | (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-((tert-butoxycarbonyl)amino)propanoate | 100mg | 642099769 | CS-0202539 | MFCD22418851 | 352.387 | C17H24N2O6

ChemScene | (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-((tert-butoxycarbonyl)amino)propanoate | 100mg | 642099769 | CS-0202539 | 96136-12-8 | MFCD22418851 | 352.387 | C17H24N2O6

ENCOMPASS_PREFERRED
1,063

eMolecules​ 2199-44-2 | Ambeed | Ethyl 35-Dimethyl-2-pyrrolecarboxylate | 5g | 512020263 | A607912 | MFCD00010645 | 167.208 | C9H13NO2

Ambeed | (11bS)-89101112131415-Octahydro-NNbis[(1R)-1-phenylethyl]dinaphtho[21-d12-f][132]dioxaphosphepin-4-amine | 100mg | 687211843 | A464988 | 479413-76-8 | 547.679 | C36H38NO2P

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1,064

eMolecules​ 850568-19-3 | Ambeed | (4-((3-Ethoxy-3-oxopropyl)carbamoyl)phenyl)boronic acid | 1g | 592406984 | A295330 | MFCD04115673 | 265.07 | C12H16BNO5

Ambeed | (4-((3-Ethoxy-3-oxopropyl)carbamoyl)phenyl)boronic acid | 1g | 592406984 | A295330 | 850568-19-3 | MFCD04115673 | 265.070 | C12H16BNO5

ENCOMPASS_PREFERRED
1,065

eMolecules​ Ambeed / Ethyl5-methoxyindole-2-carboxylate / 250mg / 552702553 / A310663 / / 4792-58-9 / MFCD00047163 / 219.240 / C12H13NO3

Ambeed / Ethyl5-methoxyindole-2-carboxylate / 250mg / 552702553 / A310663 / / 4792-58-9 / MFCD00047163 / 219.240 / C12H13NO3

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