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1391858-02-8

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1391858-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1391858-02-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,8,5 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1391858-02:
(9*1)+(8*3)+(7*9)+(6*1)+(5*8)+(4*5)+(3*8)+(2*0)+(1*2)=188
188 % 10 = 8
So 1391858-02-8 is a valid CAS Registry Number.

1391858-02-8Relevant articles and documents

The Power of Triplet and Singlet Oxygen in Synthesis: 2-Oxindoles, 3-Hydroxy-2-oxindoles, and Isatins from Furans

Triantafyllakis, Myron,Sfakianaki, Kalliopi,Kalaitzakis, Dimitris,Vassilikogiannakis, Georgios

, p. 3631 - 3634 (2018)

A straightforward synthesis of substituted 2-oxindoles, 3-hydroxy-2-oxindoles, and isatins has been developed. Easily accessible furans were transformed into tetrahydropyranopyrrolones by a singlet oxygen initiated cascade reaction sequence. An acid-catal

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