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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 190 results
1

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

2

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
3

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

CAS: 7732-18-5,7440-42-8,14797-71-8 Molecular Formula: B Molecular Weight (g/mol): 10.81 MDL Number: MFCD00134034 MFCD00151272 InChI Key: ZOXJGFHDIHLPTG-UHFFFAOYSA-N PubChem CID: 5462311 ChEBI: CHEBI:27560 IUPAC Name: boron SMILES: [B]

PubChem CID 5462311
CAS 7732-18-5,7440-42-8,14797-71-8
Molecular Weight (g/mol) 10.81
ChEBI CHEBI:27560
MDL Number MFCD00134034 MFCD00151272
SMILES [B]
IUPAC Name boron
InChI Key ZOXJGFHDIHLPTG-UHFFFAOYSA-N
Molecular Formula B
4

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

CAS: 7697-37-2,7732-18-5,7439-93-2 Molecular Formula: Li Molecular Weight (g/mol): 6.94 MDL Number: MFCD00134051 InChI Key: WHXSMMKQMYFTQS-UHFFFAOYSA-N PubChem CID: 3028194 ChEBI: CHEBI:30145 IUPAC Name: lithium SMILES: [Li]

PubChem CID 3028194
CAS 7697-37-2,7732-18-5,7439-93-2
Molecular Weight (g/mol) 6.94
ChEBI CHEBI:30145
MDL Number MFCD00134051
SMILES [Li]
IUPAC Name lithium
InChI Key WHXSMMKQMYFTQS-UHFFFAOYSA-N
Molecular Formula Li
5

MEDCHEMEXPRESS LLC HYDROXY ITRACONAZOLE D8 5MG

50-187-2728 HYDROXY ITRACONAZOLE D8 5MG

ENCOMPASS_PREFERRED
6

EMOLECULES INC METHYL IODIDE D3 STORED-5G

NC2411117 METHYL IODIDE D3 STORED-5G

ENCOMPASS
7

EMOLECULES INC RAC-TENOFOVIR-D6 10MG

NC2327548 RAC-TENOFOVIR-D6 10MG

ENCOMPASS
8

EMOLECULES INC DABIGATRAN-D3 5MG

NC2327545 DABIGATRAN-D3 5MG

ENCOMPASS
9

*LGC STANDARDS USA SIMAZINE-D5

NC1833112 SIMAZINE-D5

ENCOMPASS
10

ANDWIN SCIENTIFIC SRM 987 STRONTIUM CARBONATE 1G

NC2102689 SRM 987 STRONTIUM CARBONATE 1G

ENCOMPASS_PREFERRED
11

CAMBRIDGE ISOTOPE LABORATORIES L-SERINE 13C3-0.25G

NC2118624 L-SERINE 13C3-0.25G

ENCOMPASS_PREFERRED
12

ANDWIN SCIENTIFIC LEAD ISOTOPIC STANDARD 1G WIRE

NC2102690 LEAD ISOTOPIC STANDARD 1G WIRE

ENCOMPASS_PREFERRED
13

Sigma Aldrich Fine Chemicals Biosciences Benzoyl chloride-d5 99 atom % D | 43019-90-5 | MFCD00134309 | 1G

Benzoyl chloride-d5 99 atom % D | Purity: 99% (CP) | Mol Wt: 145.6 | 43019-90-5 | MFCD00134309 | 1G

ENCOMPASS
14

Sigma Aldrich Fine Chemicals Biosciences Isotopic standard for bromine NIST(R) SRM(R) 977 | 7647-15-6 | MFCD00003475 |

Isotopic standard for bromine NIST(R) SRM(R) 977 | Mol Wt: 102.89 | 7647-15-6 | MFCD00003475 |

ENCOMPASS
15

MEDCHEMEXPRESS LLC BANOXANTRONE D12 DIHYDROCHLOR

50-187-2913 BANOXANTRONE D12 DIHYDROCHLOR

ENCOMPASS_PREFERRED