Chemicals Reagents L

This Standard Reference Material (SRM) is intended primarily for use in evaluating the accuracy of clinical procedures for the determination of total cholesterol, high-density lipoprotein (HDL)-cholesterol, low-density lipoprotein (LDL)-cholesterol, and total glycerides in human serum. It is also...

for microbiology Synonym(s): Listeria secondary selective enrichment supplement (UVM II) Storage: 2-8°C

CAS Number: 7439-93-2 Formula: Li Formula Weight: 6.94 Linear Formula: Li MDL No.: MFCD00134051 Purity: 99% trace metals basis Boiling Point: 1342 C(lit.) Melting Point: 180 C (lit.) Density: 0.534 g/mL at 25 C(lit.) EC Number: 231-102-5 UNSPSC Code: 12352300

United States Pharmacopeia (USP) Reference Standard Synonym(s): 8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5 H -benzo[5,6]cyclohepta[1,2- b ]pyridine; N -Methyldesloratadine Empirical Formula: C₂₀H₂₁ClN₂ Formula Weight: 324.85 Linear Formula:...

Storage: −196°C

Empirical Formula: C₅H₉ 15 NO₂ Linear Formula: C₅H₉ 15 NO₂ Formula Weight: 116.12 MDL Number: MFCD00144667 Purity: 98% (CP) Melting Point: 228 °C (dec.)(lit.)

Synonyms: Ac-D-Arg-cyclo[Cys-Glu-His-D-Phe-Arg-Trp-Cys]-NH2, trifluoroacetate salt; Ac-D-Arg-c(Cys-Glu-His-D-Phe-Arg-Trp-Cys)-NH2, trifluoroacetate salt; Ac-rCEHfRWC-NH2, TFA (D-amino acids in lower case; C2->C8 disulfide); Acetyl-D-Arg-Cys-Glu-His-D-Phe-Arg-Trp-Cys-NH2, trifluoroacetate salt...

Purity Limit: ≥ 99% (HPLC) CAS No.: 87-72-9 / 5328-37-0 Molecular Formula: C5H10O5 Molecular Weight: 150.13 MDL No.: MFCD00135866 Appearance: White or off-white powder Melting Point: 160-163°C Optical Rotation: [a]D20 = +101 to +105º Storage Temperature: Store at RT

for microbiology

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: S-Allyl-L-cysteine sulfoxide Molecular...

Synonyms: LAH; Lithium alanate; Lithium tetrahydroaluminate CAS Number: 16853-85-3 Formula: H4AlLi Formula Weight: 37.95 Linear Formula: LiAlH4 MDL No.: MFCD00011075 Purity: >=97.0% (gas-volumetric) Melting Point: 125 C (dec.) (lit.) EC Number: 240-877-9 UNSPSC Code: 12352000 Application: Reactant...

MDL Number: MFCD00164404 Storage: 2-8°C

Empirical Formula: Cl₃La -+ 7H₂O Linear Formula: LaCl₃ -+ 7H₂O Formula Weight: 371.37 MDL Number: MFCD00149756 Purity: 99.999% trace metals basis Melting Point: 91 °C (dec.)(lit.)

Empirical Formula: C₃H₇ 15 NO₃ Linear Formula: HOCH₂CH( 15 NH₂)CO₂H Formula Weight: 106.09 MDL Number: MFCD00144672 Purity: 98% (CP) Melting Point: 222 °C (dec.)(lit.)

Empirical Formula: C₈H₁₈N₂O₂ -+ 2HCl Linear Formula: NH₂(CH₂)₄CH(NH₂)COOC₂H₅ -+ 2HCl Formula Weight: 247.16 MDL Number: MFCD00039068 Purity: ≥99.0% (AT) Beilstein Registry Number:...

United States Pharmacopeia (USP) Reference Standard Synonym(s): Dihydrolovastatin Empirical Formula: C₂₄H₃₈O₅ Formula Weight: 406.56 Linear Formula: C₂₄H₃₈O₅

Synonym(s): Acetoacetic acid lithium salt Formula: CH₃COCH₂COOLi Formula Weight: 108.02 CAS No.: 3483-11-2 Purity: ≥90% (enzymatic) Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in...

Synonym(s): HVEM-L; TNFSF14 Purity: ≥96% (HPLC); ≥96% (SDS-PAGE) Storage: −20°C

reagent grade, ≥98% (HPLC) Synonym(s): (2 S ,3 S )-2-Amino-3-methylpentanoic acid Empirical Formula: C₆H₁₃NO₂ Formula Weight: 131.17 Linear Formula: C₂H₅CH(CH₃)CH(NH₂)CO₂H MDL Number: MFCD00064222...

For the direct, quantitative measurement of low-density lipoprotein cholesterol (LDL-C) concentration in human. The reagents are supplied ready for use. Reagent 1 and Reagent 2 once opened, is stable up to 4 weeks at 2-8°C on the Olympus AU600 analyzer. No fasting required.

Selective culture medium used as a presumptive test for coliform bacteria and for the selective enrichment of coliform organisms in the analysis of water. Synonym(s): Lauryl Sulfate Tryptose Broth (LST) Typical Composition (g/L): Tryptose 20.0; lactose 5.0; sodium chloride 5.0; sodium lauryl sulfate...

Synonyms: L-Lysine acetate salt; (S)-2,6-Diaminohexanoic acid Formula: C₆H₁₄N₂O₂ · C₂H₄O₂ Formula Weight: 206.24 CAS No.: 57282-49-2 Storage Temperature: room temp General description: This certified reference material...

?-Cyhalothrin-(phenoxy-d5) is an isotope labeled analog of the pyrethroid insecticide ?-cyhalothrin, wherein five phenoxy protons of the cyhalothrin moiety are replaced by deuterium. Synonyms: lambda-Cyhalothrin-d5 Molecular Formula: C23D5H14ClF3NO3 Molecular Weight: 454.88 Linear Structural...

for microbiology Synonym(s): Lactobacillus Streptococcus Differential Agar