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128445-82-9

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128445-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128445-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,4 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128445-82:
(8*1)+(7*2)+(6*8)+(5*4)+(4*4)+(3*5)+(2*8)+(1*2)=139
139 % 10 = 9
So 128445-82-9 is a valid CAS Registry Number.

128445-82-9Downstream Products

128445-82-9Relevant articles and documents

C-F bond cleavage by intramolecular SN2 reaction of alkyl fluorides with O- and N-nucleophiles

Zhang, Laijun,Zhang, Wei,Liu, Jun,Hu, Jinbo

supporting information; experimental part, p. 2850 - 2853 (2009/08/08)

The nueleophilic substitution of alkyl fluorides was achieved in the intramolecular reactions with O- and N-nucleophiles. The intramolecular defluorinative cyclization reaction was influenced by the nature of nucleophiles, the size of the ring to be forme

Experiments Concerning the Reactions of Benzocyclopropene under Yb(fod)3 Catalysis

Neidlein, Richard,Kraemer, Bettina

, p. 353 - 356 (2007/10/02)

1,3-Dihydroisobenzofuran derivatives 3a-e and 5a-c are obtained by reactions of α,β-unsaturated carbonyl compounds with benzocyclopropene (1).The yields increase by addition of Yb(fod)3.Aromatic aldehydes react in the same way.Yb(fod)3 has no influence on

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