Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Sourcing LEVOLEUCOVORIN CALCIUM?
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Calcium mefolinate
pharmaceutical raw material
Sourcing LEVOLEUCOVORIN CALCIUM?
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Levoleucovorin calcium is an active metabolite of folic acid and the levo isomer of leucovorin calcium. As an active pharmaceutical ingredient, it is used to counteract the toxic effects of folate antagonist agents and to potentiate the activity of fluorouracil in pharmaceutical manufacturing.
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.
The international HS code for LEVOLEUCOVORIN CALCIUM (CAS 80433-71-2) is 2936.29.
2936.29
2936 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
calcium (2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]pentanedioate
KVUAALJSMIVURS-QNTKWALQSA-L
C1[C@@H](N(C2=C(N1)N=C(NC2=O)N)C=O)CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-].[Ca+2]