Proline, DL- is a non-essential amino acid that serves as a building block for protein synthesis. It is commonly found in personal care products and is also used as a food additive.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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2-azetidinecarboxylic acid
pharmaceutical intermediate
L-leucine zwitterion
nutritional supplement and flavoring agent
Potassium citrate monohydrate
Sequestrant, emulsifier, and stabilizer
Dipotassium succinate trihydrate
food additive and buffering agent
L(+)-Monosodium glutamate monohydrate
flavor enhancer
DL-Proline-d7 Hydrochloride
research compound
L-Proline-2,5,5-d3
research compound
L-proline
dietary supplement and nutrient
The international HS code for Proline, DL- (CAS 609-36-9) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
pyrrolidine-2-carboxylic acid
ONIBWKKTOPOVIA-UHFFFAOYSA-N
C1CC(NC1)C(=O)O
Sourcing Proline, DL-?
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