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200862-25-5

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200862-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200862-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,8,6 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 200862-25:
(8*2)+(7*0)+(6*0)+(5*8)+(4*6)+(3*2)+(2*2)+(1*5)=95
95 % 10 = 5
So 200862-25-5 is a valid CAS Registry Number.

200862-25-5Relevant articles and documents

Copper-Catalyzed Formal Carbene Migratory Insertion into Internal Olefinic C=C Bonds with N-Tosylhydrazones to Access Iminofuran and 2(3H)-Furanone Derivatives

Huang, Fei,Liu, Zhuqing,Wang, Quannan,Lou, Jiang,Yu, Zhengkun

supporting information, p. 3660 - 3663 (2017/07/15)

Efficient copper-catalyzed formal carbene migratory insertion into the olefinic C=C bonds of internal olefins, that is, α-oxo ketene N,S-acetals, has been achieved by means of N-tosylhydrazones of ketones as the carbene precursors. Iminofuran derivatives

Synthesis of aminopyrazoles from α- oxoketene O,N-acetals using Montmorillonite K-10/Ultrasound

Braibante, Mara E. F.,Braibante, Hugo T. S.,Da Roza, Juliano K.,Henriques, Danielle M.,De Carvalho Tavares, Luciana

, p. 1160 - 1162 (2007/10/03)

5(3)-Amino-3(5) phenylpyrazoles 3a-f have been conveniently prepared by condensation of α-oxoketene O,N-acetals 2a-g with hydrazine using montmorillonite K-10 as solid support under sonication.

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