Molekula
DL-4-Hydroxy-3-methoxymandelic acid
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
DL-4-Hydroxy-3-methoxymandelic acid is an organic compound used in biochemical research and as a metabolite marker in clinical studies, particularly as a urinary marker for catecholamine-secreting tumours such as pheochromocytoma and neuroblastoma. It appears as a white to off-white crystalline powder with a molecular formula of HOC6H3(OCH3)CH(OH)COOH and a molecular weight of 198.17 g/mol. Store at ambient conditions. The product carries a signal word of "Warning" for safety handling. Molekula supplies DL-4-Hydroxy-3-methoxymandelic acid 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
100 mg — £29.70 per pack ex VAT · £35.64 inc. VAT
Need a different quantity or pack?
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 | White to Off-White Powder |
| Purity (HPLC) | ≥ 98.0% |
| Solubility in water | Clear Colourless to Faint Yellow |
| NMR | Confroms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Water Solubility | Sparingly soluble in water |
Source: PubChem CID 1245 (Joint FAO/WHO Expert Committee on Food Additives (JECFA))
Identification
| Property | Value |
|---|---|
| SKU | 90032672 |
| CAS Number | 55-10-7 |
| IUPAC Name | 2-hydroxy-2-(4-hydroxy-3-methoxyphenyl)acetic acid |
| EC Number | 200-224-0 |
| Molecular Formula | HOC6H3(OCH3)CH(OH)COOH |
| Molecular Weight | 198.17 |
| Exact Mass | 198.0528 |
| SMILES | COC1=C(C=CC(=C1)C(C(=O)O)O)O |
| InChIKey | CGQCWMIAEPEHNQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H10O5/c1-14-7-4-5(2-3-6(7)10)8(11)9(12)13/h2-4,8,10-11H,1H3,(H,12,13) |
| PubChem CID | 1245 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29189947 |
| Tariff Code | 2918999090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- (4-Hydroxy-3-methoxyphenyl)glycolic acid
- 2-hydroxy-2-(4-hydroxy-3-methoxyphenyl)acetic acid
- 3-methoxy-4-hydroxymandelic acid
- 4-HYDROXY-3-METHOXYMANDELIC ACID
- Benzeneacetic acid, alpha,4-dihydroxy-3-methoxy-
- FEMA NO. 4660
- Hydroxy(4-hydroxy-3-methoxyphenyl)acetic acid
- Vanillinmandelic Acid
- Vanillylmandelic acid
- Vanilmandelic acid
Frequently asked questions
What is DL-4-Hydroxy-3-methoxymandelic acid (CAS 55-10-7) commonly used for?
This compound is primarily used as an intermediate in vanillin production (via condensation of guaiacol with glyoxylic acid). It is also known as vanillylmandelic acid (VMA), a catecholamine metabolite measured in diagnostic testing for catecholamine-secreting tumours, and it is used in research applications for studying catecholamine metabolism.
What is the molecular formula and molecular weight of DL-4-Hydroxy-3-methoxymandelic acid?
The molecular formula is HOC₆H₃(OCH₃)CH(OH)COOH, and the molecular weight is 198.17 g/mol.
How should DL-4-Hydroxy-3-methoxymandelic acid be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances. Ensure containers are tightly sealed.
What grades or purities of DL-4-Hydroxy-3-methoxymandelic acid does Molekula supply?
Molekula supplies this compound in pharmaceutical-grade and research-grade purities, typically ≥98% by HPLC. Contact us for specific batch certifications.
Can Molekula supply DL-4-Hydroxy-3-methoxymandelic acid in bulk quantities?
Yes, we offer bulk quantities of this compound, with flexible packaging options (e.g., drums, bags) depending on order size. Minimum bulk quantities vary by grade.
What documentation is provided with an order of DL-4-Hydroxy-3-methoxymandelic acid?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation (e.g., HPLC chromatogram, purity report) upon request.
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.