Cas 140887-63-4,Pyrazolo[3,4-d][1,3]diazepine-5-carboxylic acid, 7-(ethylamino)-1,6-dihydro-3-methyl-, ethyl ester

140887-63-4

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Basic information

Product Name: Pyrazolo[3,4-d][1,3]diazepine-5-carboxylic acid, 7-(ethylamino)-1,6-dihydro-3-methyl-, ethyl ester
Synonyms:
CAS NO:140887-63-4
Molecular Formula: C18H21N5O2
Molecular Weight: 339.397
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: Pyrazolo[3,4-d][1,3]diazepine-5-carboxylic acid, 7-(ethylamino)-1,6-dihydro-3-methyl-, ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: Pyrazolo[3,4-d][1,3]diazepine-5-carboxylic acid, 7-(ethylamino)-1,6-dihydro-3-methyl-, ethyl ester(140887-63-4)
EPA Substance Registry System: Pyrazolo[3,4-d][1,3]diazepine-5-carboxylic acid, 7-(ethylamino)-1,6-dihydro-3-methyl-, ethyl ester(140887-63-4)

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: 140887-63-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 140887-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,8 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 140887-63:
(8*1)+(7*4)+(6*0)+(5*8)+(4*8)+(3*7)+(2*6)+(1*3)=144
144 % 10 = 4
So 140887-63-4 is a valid CAS Registry Number.

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140887-63-4Relevant academic research and scientific papers

One-pot Synthesis of a New Class of Fused 2,4-Diimino-1,3-diazetidines by an Aza-Wittig/ Cycloaddition of Carbodiimides Process

Molina, Pedro,Arques, Antonio,Alias, Asuncion,Foces-Foces, Maria Concepcion,Llamas-Saiz, Antonio Luis

, p. 424 - 426 (2007/10/02)

The new tricyclic ring system 3 is synthesized in a one-pot reaction from bis(iminophosphorane) 1 and two equivalents of aryl isocyanate; compound 1 also reacts with one equivalent of isocyanate to give the bicyclic diazepine 6; the crystal structure of compound 3 and 6 are determined.

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