Maintenance Notice (4:00 AM November 1 - 9:30 AM November 1, 2025): This website is scheduled to be unavailable due to maintenance. We appreciate your patience and understanding.
Published TCIMAIL newest issue No.199
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 338-69-2 | Product Number: A0177
D-Alanine
×
![]()
×
Purity: >98.0%(T)
Synonyms:
- D-2-Aminopropionic Acid
- H-D-Ala-OH
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 5G |
€21.00
|
3 | ≥80 |
|
| 25G |
€68.00
|
7 | ≥40 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | A0177 |
Purity / Analysis Method 
|
>98.0%(T) |
| Molecular Formula / Molecular Weight | C__3H__7NO__2 = 89.09 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 338-69-2 |
| Reaxys Registry Number | 1720249 |
| PubChem Substance ID | 87561859 |
| SDBS (AIST Spectral DB) | 1466 |
| MDL Number | MFCD00008077 |
Specifications
| Appearance | White powder to crystal |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| Specific rotation [a]20/D | -13.0 to -15.0 deg(C=2, 6mol/L HCl) |
| Solubility in Water | almost transparency |
Properties (reference)
| Specific Rotation | -14° (C=2,6mol/L HCl) |
| Solubility in water | Soluble |
GHS
Related Laws:
| EC Number | 206-418-1 |
Transport Information:
| HS Number | 2922498590 |
Application
Spore Germination Inhibitor
L-Alanine (A0179) is one of the amino acids known as a bacterial spore germinant.1) It has been reported that D-alanine failed to trigger spore germination in Clostridium sporogenes or C. botulinum but prevented germination induced by L-alanine.2)
References
- 1) Cooperativity Between Different Nutrient Receptors in Germination of Spores of Bacillus subtilis and Reduction of This Cooperativity by Alterations in the GerB Receptor
- 2) Functional Characterisation of Germinant Receptors in Clostridium botulinum and Clostridium sporogenes Presents Novel Insights into Spore Germination Systems
PubMed Literature
Documents
Product Articles
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.