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Isotope Standards

Isotope Standards

Compounds (solids, liquids, gasses) with well-defined isotopic compositions that act as the ultimate sources of accuracy in mass spectrometric measurements of isotope ratios.
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1 – 15 of 205 results
1

Lithium 6 Isotope Standard For ICP/MS, SPEX CertiPrep™
SDP

2

Boron 11 Isotope Standard For ICP/MS, 10μg/mL in H20, SPEX CertiPrep™
SDP

3

Lead 207 Isotope Standard for ICP/MS, SPEX CertiPrep™
SDP

4

Lead 206 Isotope Standard For ICP/MS, SPEX CertiPrep™
SDP

CAS: 7697-37-2 Molecular Formula: Pb Molecular Weight (g/mol): 207.20 MDL Number: MFCD00134050 InChI Key: WABPQHHGFIMREM-UHFFFAOYSA-N PubChem CID: 5352425 ChEBI: CHEBI:27889 IUPAC Name: lead SMILES: [Pb]

PubChem CID 5352425
CAS 7697-37-2
Molecular Weight (g/mol) 207.20
ChEBI CHEBI:27889
MDL Number MFCD00134050
SMILES [Pb]
IUPAC Name lead
InChI Key WABPQHHGFIMREM-UHFFFAOYSA-N
Molecular Formula Pb
5

WELLINGTON LABORATORIES LLC ISOTOPE PERFORMANCE STANDARD P

NC2588562 ISOTOPE PERFORMANCE STANDARD P

ENCOMPASS
6

Cambridge Isotope Laboratories 2-METHYLIMIDAZOLE (D6, 98%), 0.5 G, 1173022-19-9

2-METHYLIMIDAZOLE (D6, 98%), 0.5 G, 1173022-19-9

ENCOMPASS_PREFERRED
7

Cambridge Isotope Laboratories 1,3-BUTADIENE (D6, 98%) + HYDROQUINONE, 1 L, 1441-56-1

1,3-BUTADIENE (D6, 98%) + HYDROQUINONE, 1 L, 1441-56-1 **Gas will be shipped in a break seal flask. One flask per each ordered. There is a separate fee for each flask that will need to be included in the order. Please include qty 1 of part# NC2222571/per each gas ordered.

ENCOMPASS
8

Cambridge Isotope Laboratories 1-METHYLIMIDAZOLE (D6, 98%), 0.5 G

1-METHYLIMIDAZOLE (D6, 98%), 0.5 G

ENCOMPASS_PREFERRED
9

Cambridge Isotope Laboratories GUANOSINE (15N5, 96-98%), 50 MG

GUANOSINE (15N5, 96-98%), 50 MG

ENCOMPASS_PREFERRED
10

Cerilliant Corporation A-HYDROXYMIDAZOLAM-D4 1ML

a-Hydroxymidazolam-D4 | Mol Wt: 345.79 | 1ml

ENCOMPASS_PREFERRED
11

Cayman Chemical TCDCA-D4 MAXSPEC STANDARD 100U
SDP

Taurochenodeoxycholic Acid-d4 MaxSpec® Standard 100ug

ENCOMPASS_PREFERRED
12

AVANTI POLAR LIPIDS INC 19 5 LYSO PC-D5 1ML

NC2459190 19 5 LYSO PC-D5 1ML

ENCOMPASS
13

SPEX CERTIPREP LLC 3P YTTRIUM 100UG/L IN 4 PCT HN03

NC2465138 YTTRIUM 100UG/L IN 4 PCT HN03

ENCOMPASS_PREFERRED
14

ENTEGRIS INC TAURODEOXYCHOLIC ACID-D4-3-S

NC2739543 TAURODEOXYCHOLIC ACID-D4-3-S

ENCOMPASS_PREFERRED
15

Cayman Chemical ClofIbrIc AcId-d4 10mg
SDP

An analytical reference standard that is structurally similar to known synthetic cannabinoids a potential metabolite of ADB-BUTINACA based on the published metabolism of 4-fluoro ADB-PINACA intended for research and forensic applications

ENCOMPASS_PREFERRED