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Check Digit Verification of cas no

The CAS Registry Mumber 16168-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,6 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16168-91:
(7*1)+(6*6)+(5*1)+(4*6)+(3*8)+(2*9)+(1*1)=115
115 % 10 = 5
So 16168-91-5 is a valid CAS Registry Number.

16168-91-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name	4-acetyl-1H-pyrrole-2-carbonitrile

1.2 Other means of identification

Product number	-
Other names	1H-Pyrrole-2-carbonitrile,4-acetyl

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:16168-91-5 SDS

16168-91-5Upstream product

16168-91-5Downstream Products

16168-91-5Relevant articles and documents

The intramolecular photometathesis of pyrroles

Elliott, Luke D.,Berry, Malcolm,Orr-Ewing, Andrew J.,Booker-Milburn, Kevin I.

, p. 3078 - 3079 (2007/10/03)

UV irradiation of various electron deficient pyrrole derivatives induces a novel methathesis sequence resulting in selective cleavage of the 2,3-pyrrole bond. The overall sequence has been shown to proceed by two discrete wavelength-dependent steps involving sequential [2+2] cyclobutane formation followed by photochemically mediated retro-[2+2] to the products. Copyright

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CAS

16168-91-5