Molekula
Carbidopa - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Carbidopa is a decarboxylase inhibitor used primarily in combination with levodopa to treat Parkinson’s disease, reducing peripheral side effects by preventing premature conversion of levodopa to dopamine. This USP Certified Reference Standard (CRS) features a CAS number of 38821-49-7, molecular formula C10H14N2O4·H2O, and a molecular weight of 244.24. It is stored at ambient conditions and marked with a **Warning** signal word for handling. Molekula supplies Carbidopa USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033332 |
| CAS Number | 38821-49-7 |
| IUPAC Name | (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid;hydrate |
| Molecular Formula | C10H14N2O4 · H2O |
| Molecular Weight | 244.24 |
| Exact Mass | 244.1059 |
| SMILES | C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)O)NN.O |
| InChIKey | QTAOMKOIBXZKND-PPHPATTJSA-N |
| InChI | InChI=1S/C10H14N2O4.H2O/c1-10(12-11,9(15)16)5-6-2-3-7(13)8(14)4-6;/h2-4,12-14H,5,11H2,1H3,(H,15,16);1H2/t10-;/m0./s1 |
| PubChem CID | 38101 |
| REACH Code | Y110 |
| HTS Code | 29280025 |
| Tariff Code | 2928009090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Carbidopa USP CRS used for?
Carbidopa USP CRS is primarily used as a reference standard in analytical testing for pharmaceutical formulations, particularly in the quantification of carbidopa in drugs like Sinemet® (used to treat Parkinson’s disease).
What is the chemical formula and molecular weight of Carbidopa USP CRS?
The chemical formula is **C10H14N2O4 · H2O** with a molecular weight of **244.24 g/mol**.
How should Carbidopa USP CRS be stored?
Store Carbidopa USP CRS at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.
What grade of Carbidopa is this, and why is it different from other grades?
This is **USP CRS (Certified Reference Standard)**, meeting USP monograph specifications for use in analytical testing, ensuring traceability and accuracy in pharmaceutical quality control.
Can Molekula supply Carbidopa USP CRS in bulk quantities?
Yes, Molekula can supply Carbidopa USP CRS in bulk, subject to availability and minimum order quantities—please contact our sales team for specific pricing and lead times.
What documentation comes with an order of Carbidopa USP CRS?
Each order includes a **Certificate of Analysis (CoA)**, **Safety Data Sheet (SDS)**, and **batch-specific documentation** confirming USP CRS compliance and traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.