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Alsachim offers you its expertise and know-how in isotope enrichment labeling (13C, 2H, 15N, 18O, 34S) to quantify your compounds by LC-MS/MS analysis. Our teams synthesize labeled internal standards and reference standards, as well as metabolites and building blocks.

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[13C6]-Folic acid disodium salt

Product Number: C4772

CAS number: 161406-20-8 free acid

Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid disodium salt-13C6, Vitamin B9 disodium salt-13C6

[reference-standards] Folic acid

Folic acid

Product Number: C3157

CAS number: 59-30-3

Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid, Vitamin B9

[reference-standards] Biotin

Biotin

Product Number: C2626

CAS number: 58-85-5

Synonyms: Vitamin B7