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25229-47-4

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25229-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25229-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25229-47:
(7*2)+(6*5)+(5*2)+(4*2)+(3*9)+(2*4)+(1*7)=104
104 % 10 = 4
So 25229-47-4 is a valid CAS Registry Number.

25229-47-4Relevant articles and documents

Lewis acid-promoted rearrangement of 2,3-epoxy alcohol derivatives: Stereochemical control and selective formation of two types of chiral quaternary carbon centers from the single carbon skeleton

Kita, Yasuyuki,Matsuda, Satoshi,Inoguchi, Ryoko,Ganesh, Jnaneshwara K.,Fujioka, Hiromichi

, p. 5191 - 5197 (2007/10/03)

The Lewis acid-promoted rearrangement of 2,2,3,3-tetrasubstituted 2,3-epoxy alcohols with several kinds of protecting groups was investigated. When SnCl4 is used as a Lewis acid, the reaction proceeds in a regio- and stereo-controlled manner to

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