Gemcitabine-13C,15N2 (hydro
An internal standard for the quantification of gemcitabine
CAS No. 2757566-59-7
Item No. 22560
Formulation: A solid
Purity: ≥98%
- dFdC
Tranexamic Acid-13C2,15N
An internal standard for the quantification of tranexamic acid
CAS No. 1292837-95-6
Item No. 28804
Formulation: A solid
Purity: ≥95%
- AMCA-13C2,15N
- TXA-13C2,15N
Guanfacine-13C,15N3
An internal standard for the quantification of guanfacine
CAS No. 1189924-28-4
Item No. 30143
Formulation: A solid
Purity: ≥95%
L-Thyroxine-13C9,15N
An internal standard for the quantification of L-thyroxine
CAS No. 1431868-11-9
Item No. 25039
Formulation: A solid
Purity: ≥98%
- L-T4-13C9,15N
- Levothyroxine-13C9,15N
Cefazolin-13C2,15N
An internal standard for the quantification of cefazolin
CAS No. 2101505-58-0
Item No. 25319
Formulation: A solid
Purity: ≥95%
5-Fluorouracil-13C,15N2
An internal standard for the quantification of 5-fluorouracil
CAS No. 1189423-58-2
Item No. 26683
Formulation: A solid
Purity: ≥95%
- 5-FU-13C,15N2
L-Tyrosine-13C9,15N
An internal standard for the quantification of L-tyrosine
CAS No. 202407-26-9
Item No. 31256
Formulation: A solid
Purity: ≥98%
- L-4-Hydroxyphenylalanine
- p-Hydroxyphenylalanine
- (–)-Tyrosine
- p-Tyrosine
Zonisamide-
An internal standard for the quantification of zonisamide
CAS No. 1188265-58-8
Item No. 28807
Formulation: A solid
Purity: ≥95%
13C20,15N10-Cyclic di-GMP (sodium salt)
An internal standard for the quantification of cyclic di-GMP
Item No. 36245
Formulation: A solid
Purity: ≥98%
- 13C20,15N10-c-di-GMP
- 13C20,15N10-Cyclic diguanylate
- 13C20,15N10-3’,5’-Cyclic diguanylic Acid
Flonicamid-15N,18O
An internal standard for the quantification of flonicamid
CAS No. 2483830-60-8
Item No. 39578
Formulation: A solution in methanol
Purity: ≥98%
Formulation: A solid
Purity: ≥95%
3-Bromo
An internal standard for the quantification of 3-bromotyrosine
Item No. 9003007
Formulation: A crystalline solid
Purity: ≥98%
- 3-bromo-Tyr-13C9,15N
L-Cysteine-15N-d3
An internal standard for the quantification of L-cysteine
CAS No. 1795787-05-1
Item No. 34838
Formulation: A solid
Purity: ≥99% deuterated forms (d1-d3)
- L-Cys-15N-d3
- L-(+)-Cysteine-15N-d3
- (R)-Cysteine-15N-d3
Uracil-13C,15N2
An internal standard for the quantification of uracil
CAS No. 181517-11-3
Item No. 33997
Formulation: A solid
Purity: ≥95%
- 4-Hydroxyuracil-13C,15N2
Riluzole-13C,15N2
An internal standard for the quantification of riluzole
CAS No. 1215552-03-6
Item No. 25361
Formulation: A solid
Purity: ≥98%
Formulation: A solid
Purity: ≥95%
- 5-aza-2’-Deoxycytidine-15N4
- DAC-15N4
Cilastatin-15N-d3
An internal standard for the quantification of cilastatin
CAS No. 2738376-83-3
Item No. 29098
Formulation: A solid
Purity: ≥99% deuterated forms(d1-d3); ≤1% d0
Formulation: A solid
Purity: ≥98%
Formulation: A solid
Purity: ≥98%
Adenine-15N5 (hydrochloride hydrate)
An internal standard for the quantification of adenine
Item No. 41181
Formulation: A solid
Purity: ≥98%
Uric Acid-13C,15N3
An internal standard for the quantification of uric acid
CAS No. 2421217-23-2
Item No. 44020
Formulation: A solid
Purity: ≥95%
Uracil-13C4,15N2
An internal standard for the quantification of uracil
CAS No. 202407-06-5
Item No. 41125
Formulation: A solid
Purity: ≥98%
Oxonic Acid-13C2,15N3 (potassium salt hydrate)
An internal standard for the quantification of oxonic acid
Item No. 33282
Formulation: A solid
Purity: ≥95%
- Allantoxanic Acid-13C2,15N3
- Potassium oxonate-13C2,15N3
Thymine-13C5,15N2
An internal standard for the quantification of thymine
CAS No. 2483830-13-1
Item No. 41172
Formulation: A solid
Purity: ≥98%
- 5-Methyluracil-13C5,15N2
Cytosine-
An internal standard for the quantification of cytosine
CAS No. 181517-10-2
Item No. 41122
Formulation: A solid
Purity: ≥98%
- 4-Aminouracil-13C,15N2
Contact Info
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