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1917-38-0

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1917-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1917-38-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1917-38:
(6*1)+(5*9)+(4*1)+(3*7)+(2*3)+(1*8)=90
90 % 10 = 0
So 1917-38-0 is a valid CAS Registry Number.

1917-38-0Downstream Products

1917-38-0Relevant articles and documents

Scalable Synthetic Strategy for Unsymmetrical Trisubstituted s-Triazines

Liang, Helong,Li, Ganzhong,Zhang, Lei,Wang, Gefei,Song, Mingyu,Li, Heng,Yuan, Bingxin

, p. 5821 - 5825 (2021/08/01)

A scalable synthetic strategy to produce a large variety of unsymmetrical trisubstituted 1,3,5-triazines was developed. This protocol applied in situ formed acyl isocyanate from amide to react with amidine, introducing two substituents to the 1,3,5-triazinone ring with a low production cost and a simple workup procedure. The scalability of this method was demonstrated by translating a small-scale procedure to a multi-kilogram-scale synthesis. Chlorination and a further coupling reaction with various nucleophiles could provide unsymmetrical trisubstituted 1,3,5-triazines bearing diverse functional groups.

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