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31841-96-0

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31841-96-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31841-96-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,4 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31841-96:
(7*3)+(6*1)+(5*8)+(4*4)+(3*1)+(2*9)+(1*6)=110
110 % 10 = 0
So 31841-96-0 is a valid CAS Registry Number.

31841-96-0Relevant articles and documents

α-Angelica Lactone in a New Role: Facile Access to N-Aryl Tetrahydroisoquinolinones and Isoindolinones via Organocatalytic α-CH2 Oxygenation

Thatikonda, Thanusha,Deepake, Siddharth K.,Das, Utpal

, p. 2532 - 2535 (2019)

A method for the direct oxidation of various N-aryl tetrahydroisoquinolines and isoindolines to the corresponding lactams using α-angelica lactone as a catalyst was developed. The utility of the method was further demonstrated by synthesis of indoprofen and indobufen.

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