Item Details
R-025 / R-025-1MLUpdated item number format
(±)-threo-Ritalinic acid-D4 HCl
100 µg/mL (as free base) in Methanol | Certified Reference Material
This stable-labeled internal standard of (±)-threo-ritalinic acid is suitable for a wide variety of GC/MS and LC/MS applications from clinical toxicology and urine drug testing to forensic analysis and isotope dilution methods. Ritalinic acid is the major urinary metabolite of methylphenidate, more commonly known by the brand name Ritalin that is approved for treatment of ADHD (Attention-Deficit Hyperactivity Disorder) and narcolepsy.
| Concentration |
: 100 µg/mL (as free base)
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| Solvent |
: Methanol
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| Unit Size |
: 1 mL/ampoule
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| CAS Number |
: NOT AVAILABLE
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| Chemical Formula: |
: C13H13D4NO2 · HCl
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| Molecular Weight: |
: 259.77
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| Certificate of Analysis |
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| US List Price |
$317.00 EA
**All prices shown are for sales within US and Canada.**
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| Quantity |
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**Eligible Discounts Applied at Checkout**
| M-083 / M-083-1ML | Methylphenidate HCl (Racemic mixture), 1.0 mg/mL (as free base) | $29.70 |
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| M-127 / M-127-1ML | Methylphenidate-D9 HCl (Racemic mixture of erythro and threo isomers), 100 μg/mL (as free base) | $237.00 |
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| M-185 / M-185-1ML | (±)-threo-Methylphenidate-D4 HCl, 100 μg/mL (as free base) | $285.00 |
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| R-011 / R-011-1ML | Ritalinic acid HCl, 1.0 mg/mL (as free base) | $173.00 |
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| R-014 / R-014-1ML | (±)-threo-Ritalinic acid-D10 HCl, 100 μg/mL (as free base) | $285.00 |
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Regulatory Control
▶ Canada Test Kit Registration # 61-1686 - no Health Canada import authorization required
UN Number, Class, PG
1230, 3, II
Safety Data Sheet
HS Code
2845.90.0100
Recommended Storage Condition