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Home/Compounds/Pharmaceutical Intermediate/2,6-dichloro-4,8-di(piperidin-1-yl)pyrimido(5,4-D)pyrimidine
C16H20Cl2N6
367.3 g/mol
Pharmaceutical Intermediate

2,6-dichloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine

CAS7139-02-8EC230-437-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a pyrimidopyrimidine derivative featuring two chlorine atoms and two piperidine rings. It is primarily used as a pharmaceutical intermediate in chemical synthesis.

pharmaceutical intermediate

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

ReferenceSame Category

Methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-alpha-D-glucopyranoside

CAS714269-57-5

pharmaceutical intermediate

ReferenceSame Category

4-(Aminomethyl)piperidine

CAS7144-05-0

pharmaceutical intermediate

ReferenceSame Category

Methyl 4-aminopyridine-2-carboxylate

CAS71469-93-7

pharmaceutical intermediate

ReferenceSame Category

4'-Methylbiphenyl-2-carboxylic acid

CAS7148-03-0

pharmaceutical intermediate

Referencesame scaffold

Desethanol dipyridamole

CAS1176886-12-6

pharmaceutical raw material

Referencesame scaffold

Dipyridamole

CAS58-32-2

pharmaceutical raw material

Customs Tariff Classification

The international HS code for 2,6-dichloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine (CAS 7139-02-8) is 2933.59.

HS code (international, 6-digit)

2933.59

EU CN code (8-digit)

2933 59 95

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

2,6-dichloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine

InChIKey

PCVJQTVUJJJSRQ-UHFFFAOYSA-N

SMILES

C1CCN(CC1)C2=NC(=NC3=C2N=C(N=C3N4CCCCC4)Cl)Cl

Synonyms (14)
  • DIPYRIDAMOLE IMPURITY G (EP IMPURITY)
  • Dipyridamole EP Impurity G
  • DIPYRIDAMOLE IMPURITY G

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