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Pentalene is a hypothetical hydrocarbon molecule with the formula C20H12, consisting of a planar, pentagonal structure with alternating single and double bonds. It is an aromatic compound, meaning it has a stable, delocalized electron system that contributes to its unique properties. Pentalene has been the subject of extensive theoretical and computational studies, as it is expected to exhibit interesting electronic and optical properties due to its unique structure. However, despite numerous attempts, pentalene has not yet been synthesized in the laboratory, making it a subject of ongoing research in organic chemistry.

250-25-9

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250-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250-25-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 250-25:
(5*2)+(4*5)+(3*0)+(2*2)+(1*5)=39
39 % 10 = 9
So 250-25-9 is a valid CAS Registry Number.

250-25-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Pentalene

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:250-25-9 SDS

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