Cas 1363693-47-3,5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

1363693-47-3

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Basic information

Product Name: 5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Synonyms: 5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
CAS NO:1363693-47-3
Molecular Formula:
Molecular Weight: 502.638
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one(CAS DataBase Reference)
NIST Chemistry Reference: 5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one(1363693-47-3)
EPA Substance Registry System: 5-[2-ethoxy-5-(4-methylpiperazine-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-6-ethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one(1363693-47-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1363693-47-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1363693-47-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,3,6,9 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1363693-47:
(9*1)+(8*3)+(7*6)+(6*3)+(5*6)+(4*9)+(3*3)+(2*4)+(1*7)=183
183 % 10 = 3
So 1363693-47-3 is a valid CAS Registry Number.

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1363693-47-3Relevant academic research and scientific papers

Synthesis of Sildenafil citrate and process related impurities

Kumar, Indukuri V.S.,Ramanjaneyulu, Gorantla S.,Bindu, Vurimindi H.

, p. 668 - 673 (2012/06/01)

Synthesis of Sildenafil by the O-alkylation of 5-[2-hydroxy-5-(4- methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H- pyrazolo-[4,3-d]pyrimidin-7-one 8 proved difficult because concomitant alkylation of the pyrimidine moity also occurred. The selective O-alkylation was carried by DCC assisted decarboxilative etherification of the carbonate 9.

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