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1137439-95-2

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1137439-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1137439-95-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,4,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1137439-95:
(9*1)+(8*1)+(7*3)+(6*7)+(5*4)+(4*3)+(3*9)+(2*9)+(1*5)=162
162 % 10 = 2
So 1137439-95-2 is a valid CAS Registry Number.

1137439-95-2Downstream Products

1137439-95-2Relevant articles and documents

Rapid access to benzo-annelated heterocycles, naphthalenes, and polysubstituted benzenes through a novel benzannulation reaction

Cikotiene, Inga,Buksnaitiene, Rita,Sazinas, Rokas

experimental part, p. 706 - 717 (2011/03/19)

A novel, efficient, and powerful methyl mercaptoacetate triggered benzannulation reaction is described. The precursors are heterocyclic, aromatic or acyclic compounds bearing a carbonyl group at ortho position to an internal alkyne. The methodology does not require transition-metal catalysts and moreover it is general for the preparation of wide range of benzo-annelated heterocycles, naphthalenes and benzenes.

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