ChemicalBook > CAS DataBase List > 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one

3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one

Product Name
3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one
CAS No.
849903-79-3
Chemical Name
3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one
Synonyms
Paliperidone-6;Paliperidone Impurity A;Paliperidone Impurity 2;paliperidon Impurity 4;Paliperidone Impurities2;Paliperidone Impurity 54;Paliperidone Impurities107;4H-Pyrido[1,2-a]pyriMidin...;Paliperidone Related CoMpound A;Paliperidone Deschloro Impurity
CBNumber
CB22615233
Molecular Formula
C11H16N2O2
Formula Weight
208.26
MOL File
849903-79-3.mol
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3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Property

Boiling point:
349.0±44.0 °C(Predicted)
Density 
1.29±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
13.01±0.60(Predicted)
color 
White to Off-White
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Safety

HS Code 
2934990002
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC
Product number
E926295
Product name
3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Packaging
5mg
Price
$160
Updated
2021/12/16
Usbiological
Product number
160569
Product name
3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Packaging
5mg
Price
$460
Updated
2021/12/16
TRC
Product number
E926295
Product name
3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Packaging
20mg
Price
$475
Updated
2021/12/16
ChemScene
Product number
CS-M0164
Product name
3-ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Purity
99.29%
Packaging
100mg
Price
$181
Updated
2021/12/16
ChemScene
Product number
CS-M0164
Product name
3-ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Purity
99.29%
Packaging
250mg
Price
$301
Updated
2021/12/16
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3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Chemical Properties,Usage,Production

Uses

3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone USP Related Compound A) is used in the synthesis of Paliperidone (P141000). Intermediate.

Uses

3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is used in the synthesis of Paliperidone (P141000). Intermediate.

3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Suppliers

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849903-79-3, 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-oneRelated Search:

3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 3-(2-chloroethyl)-9-oxo-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-[1,2-a]pyrimidin-4-one 3-ethyl-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 9-(benzyloxy)-3-(2-hydroxyethyl)-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Paliperidone impurity 1 9-Benxyloxy-3-(2-Chloro ethyl)-2-methyl pyrido[1,2-a]pyrimidine-4-one 5-Fluoro Paliperidone (S)-9-Hydroxy Risperidone 3-(2-Hydroxyethyl)-9-hydroxy-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Paliperidone E-Oxime 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride (R)-9-Hydroxy Risperidone Paliperidone N-Oxide 9-hydroxy-2-methyl-3-vinyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone) Paliperidone RAC 9-HYDROXYRISPERIDONE-D4

  • 4H-Pyrido[1,2-a]pyriMidin-4-one, 3-ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-Methyl-
  • 3-ethyl-9-hydroxy-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one
  • 4H-Pyrido[1,2-a]pyriMidin...
  • Paliperidone Stage III (USP RC A)
  • 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • Paliperidone Related CoMpound A
  • Paliperidone Related Compound A (20 mg) (3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha]pyrimidin-4-one)
  • 3-ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one
  • Paliperidone Impurity A
  • Paliperidone impurity 22/3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
  • 3-ethyl-9-hydroxy-2-methyl-4H,6H,7H,8H,9H-pyrido[1,2-a]pyrimidin-4-one
  • Paliperidone USP Related Compound A
  • Paliperidone Impurity 2
  • paliperidon Impurity 4
  • Paliperidone Deschloro Impurity
  • Paliperidone Related Compound A (3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha]pyrimidin-4-one)
  • Paliperidone Impurity 7(Paliperidone USP RC A)
  • Paliperidone-6
  • Paliperidone Impurity P3 Dehydrogenation Impurity
  • 4h-pyrido[1,2-a]pyrimidin-4-one, 3-ethyl-6,7,8,9-tetrahydro-...
  • Paliperidone Impurities107
  • Paliperidone Impurities2
  • Paliperidone Related Compound A (3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha] (1491818)
  • Paliperidone Impurity 54
  • Paliperidone Impurity 7（Paliperidone USP Related Compound A）
  • 849903-79-3
  • 24016-03-0
  • GYL