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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.

69 products

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[¹³C₅]-All-trans-retinal

Product Number: C3617

CAS number: 116-31-4 unlabeled

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[¹³C₂]-Vitamin D3

Product Number: C4272

CAS number: 613670-15-8

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[¹³C]-Vitamin D3

Product Number: C4273

CAS number: 67-97-0 unlabeled

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[¹³C,²H₃]-Methylcobalamin

Product Number: C4605

CAS number: 13422-55-4 unlabeled

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Thiamine pyrophosphate chloride salt

Product Number: C4716

CAS number: 154-87-0

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[²H₇]-Vitamin D3

Product Number: C4877

CAS number: 67-97-0 unlabeled

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[²H₃]-Riboflavin-5-phosphate

Product Number: C5473

CAS number: 1039384-45-6

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Vitamine K2

Product Number: C6046

CAS number: 863-61-6

Synonyms: Menaquinone 4, Menatetrenone

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[²H₃]-Pyridoxal 5-phosphate

Product Number: C6055

CAS number: 853645-22-4 unlabeled

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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

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Vitamin A

Product Number: C4892

CAS number: 68-26-8

Synonyms: all-trans-Retinol, trans-Retinol

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[²H₅]-Retinyl acetate salt

Product Number: C4928

CAS number: 127-47-9 unlabeled

Synonyms: Vitamin A acetate-d5, Retinoid analogues-d5, Retinol acetate-d5

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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

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13-cis-Retinoic acid

Product Number: C3163

CAS number: 4759-48-2

Synonyms: Accutane, Isotretinoin

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[²H₅]-13-cis-Retinoic acid

Product Number: C3164

CAS number: 4759-48-2 unlabeled

Synonyms: 13-cis-Vitamin A acid-d5, Accutane-d5, Isotretinoin-d5

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4-Keto 13-cis-retinoic acid

Product Number: C3165

CAS number: 71748-58-8

Synonyms: 4-Oxo-13-cis-retinoic Acid, 4-Oxo-isotretinoin

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9-cis-Retinoic acid

Product Number: C3167

CAS number: 5300-03-8

Synonyms: Alitretinoin, Panretin, 9-cis-Tretinoin, Panrexin

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[¹³C,²H₃]-9-cis-Retinoic acid

Product Number: C3168

CAS number: 168416-29-3

Synonyms: Alitretinoin-13C-d3, Panretin-13C-d3, 9-cis-Tretinoin-13C-d3, Panrexin-13C-d3

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[²H₃]-9-cis-Retinoic Acid

Product Number: C3169

CAS number: 187339-60-2

Synonyms: Alitretinoin-d3, Panretin-d3, 9-cis-Tretinoin-d3, Panrexin-d3

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[²H₅]-Vitamin A

Product Number: C3170

CAS number: 68-26-8 unlabeled

Synonyms: all-trans-Retinol-d5, trans-Retinol-d5

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