Cas 18691-31-1,3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone

18691-31-1

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Basic information

Product Name: 3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone
Synonyms: 3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone
CAS NO:18691-31-1
Molecular Formula:
Molecular Weight: 423.381
EINECS: N/A
Product Categories: N/A
Mol File: 18691-31-1.mol
Article Data: 2

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: 3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone(CAS DataBase Reference)
NIST Chemistry Reference: 3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone(18691-31-1)
EPA Substance Registry System: 3'-(4-nitrophenyl)-dispiro[indan-2,1'-cyclopropane-2',2''-indan]-1,1'',3,3''-tetrone(18691-31-1)

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: 18691-31-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 18691-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,9 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18691-31:
(7*1)+(6*8)+(5*6)+(4*9)+(3*1)+(2*3)+(1*1)=131
131 % 10 = 1
So 18691-31-1 is a valid CAS Registry Number.

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18691-31-1Relevant articles and documents

One-pot, fast cyclopropanation reaction of indandione with various aldehydes in the presence of cyanogen bromide and trimethylamine

Aalinejad, Michael,Noroozi Pesyan, Nader

, p. 1523 - 1530 (2019/05/10)

A new, fast, and easy one-pot cyclopropanation reaction of aromatic and aliphatic aldehydes with 1H-indene-1,3(2H)-dione and cyanogen bromide (BrCN) was developed for synthesizing 3′-(aryl[alkyl])-dispiro[indan-2,1′-cyclopropane-2′,2′′-indan]-1,1′′,3,3′′-

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