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131326-91-5

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131326-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131326-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,3,2 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131326-91:
(8*1)+(7*3)+(6*1)+(5*3)+(4*2)+(3*6)+(2*9)+(1*1)=95
95 % 10 = 5
So 131326-91-5 is a valid CAS Registry Number.

131326-91-5Downstream Products

131326-91-5Relevant articles and documents

A convenient synthesis of 4-substituted 1,2,3,4-tetrahydroisoquinolin-4-ols by a novel intramolecular Barbier reaction and by an insertion reaction: Reaction scope and limitations

Kihara, Masaru,Kashimoto, Minoru,Kobayashi, Yoshimaro

, p. 67 - 78 (2007/10/02)

4-Substituted 1,2,3,4-tetrahydroisoquinolin-4-ols were prepared from N-(2-iodobenzyl)phenacylamines by an intramolecular Barbier reaction with butyllithium and by an insertion reaction with zerovalent nickel. The scope and limitations of these reactions were discussed.

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