Molekula
N-CBZ-L-Valine-OH
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-CBZ-L-Valine-OH is a protected amino acid derivative widely used in peptide synthesis and organic synthesis as a key building block for constructing complex molecules. It provides a stable carbobenzyloxy (CBZ) protecting group for the amine functionality of L-valine, ensuring controlled reactivity during synthesis. This chemical has a CAS number of 1149-26-4, a molecular formula of (CH3)2CHCH(NHCOOCH2C6H5)COOH, and a molecular weight of 251.28 g/mol. It is stored at ambient conditions and classified with the signal word "Danger" due to its hazardous properties.
Molekula supplies N-CBZ-L-Valine-OH in 25 g packs, from £59.04 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and a safety data sheet is available. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
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.
-
25 g — £49.20 per pack ex VAT · £59.04 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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 35405989 |
| CAS Number | 1149-26-4 |
| Molecular Formula | (CH3)2CHCH(NHCOOCH2C6H5)COOH |
| Molecular Weight | 251.28 |
| SMILES | CC(C)[C@@H](C(=O)O)NC(=O)OCC1=CC=CC=C1 |
| REACH Code | Y110 |
| HTS Code | 29242995 |
| Tariff Code | 2924297099 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is N-CBZ-L-Valine-OH commonly used for?
N-CBZ-L-Valine-OH is primarily used as a building block in peptide synthesis, particularly for protecting the amino group of valine during synthesis.
What is the chemical formula and molecular weight of N-CBZ-L-Valine-OH?
The chemical formula is (CH3)2CHCH(NHCOOCH2C6H5)COOH, and the molecular weight is 251.28 g/mol.
How should N-CBZ-L-Valine-OH be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances and moisture.
What grades or purities of N-CBZ-L-Valine-OH does Molekula supply?
Molekula supplies N-CBZ-L-Valine-OH as a solid; please contact Molekula for current grade and purity specifications.
Can Molekula supply N-CBZ-L-Valine-OH in bulk quantities?
Yes, Molekula can provide N-CBZ-L-Valine-OH in bulk quantities to meet large-scale production needs.
What documentation comes with an order of N-CBZ-L-Valine-OH?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy N-CBZ-L-Valine-OH?
Directly from Molekula, which lists N-CBZ-L-Valine-OH in 25 g packs from £59.04 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.