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128857-10-3

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128857-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128857-10-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,5 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128857-10:
(8*1)+(7*2)+(6*8)+(5*8)+(4*5)+(3*7)+(2*1)+(1*0)=153
153 % 10 = 3
So 128857-10-3 is a valid CAS Registry Number.

128857-10-3Downstream Products

128857-10-3Relevant articles and documents

(Dialkyl-1,1 propene-2-yl)-2 thiazolidines: synthese regioselective et hydrolyse en aldehydes β-ethyleniques α,α-disubstitues

Laduranty, Joelle,Barbot, Francis,Miginiac, Leone

, p. 850 - 855 (2007/10/02)

We describe a convenient method leading to α,α-disubstituted β-ethylenic aldehydes by hydrolysis of 2-(1,1-dialkyl 2-propenyl) thiazolidines, which are easily prepared by reaction between gem-disubstituted allylic Grignard reagents and 4,5-dihydrothiazoles.

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