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128939-14-0

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128939-14-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128939-14-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,3 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128939-14:
(8*1)+(7*2)+(6*8)+(5*9)+(4*3)+(3*9)+(2*1)+(1*4)=160
160 % 10 = 0
So 128939-14-0 is a valid CAS Registry Number.

128939-14-0Relevant articles and documents

THERMAL REARRANGEMENT OF α-HYDROXY IMINES WITH AN α-ALLYL OR AN α-PROPARGYL SUBSTITUENT

Vatele, Jean-Michel,Dumas, Daniel,Gore, Jacques

, p. 2277 - 2280 (2007/10/02)

In refluxing diglyme, the title α-hydroxy imines 7 and 8 rearrange cleanly to amino ketones 9 and 10 substituted on the carbon α to nitrogen by an allyl or a propargyl group.In the case of α-hydroxy imine 9, the migration of the allyl group occurs with an allylic transposition.

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