C20H31CaN7O12
601.6 g/mol
APIDanger
Leucovorin calcium pentahydrate
CAS6035-45-6
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material
Leucovorin calcium pentahydrate is a pharmaceutical raw material corresponding to the calcium salt pentahydrate form of leucovorin, a reduced folate analog. It is primarily used as an active pharmaceutical ingredient in the manufacturing of medications that modulate folate metabolism.
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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Related Compounds
StrongSame Parent
Leucovorin calcium
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pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.81
Levomefolate calcium
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pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.81
Calcium mefolinate
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pharmaceutical raw material
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pharmaceutical raw material
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ReferenceSame Category
Sodium taurolithocholate
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pharmaceutical raw material
Referencestereoisomer of
Levoleucovorin
CAS68538-85-2
pharmaceutical intermediate
Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Leucovorin calcium pentahydrate (CAS 6035-45-6) is 2936.29.
HS code (international, 6-digit)
2936.29
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
calcium;(2S)-2-[[4-[(2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioate;pentahydrate
InChIKey
NPPBLUASYYNAIG-ZIGBGYJWSA-L
SMILES
C1C(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-].O.O.O.O.O.[Ca+2]
Synonyms (16)
- CALCII FOLINAS
- CALCIUM FOLINATE
- Calcium folinate pentahydrate
- LEUCOVORIN CALCIUM
- Leucovorin calcium hydrate
- Wellcovorin
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