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771440-02-9

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771440-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 771440-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,1,4,4 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 771440-02:
(8*7)+(7*7)+(6*1)+(5*4)+(4*4)+(3*0)+(2*0)+(1*2)=149
149 % 10 = 9
So 771440-02-9 is a valid CAS Registry Number.

771440-02-9Downstream Products

771440-02-9Relevant articles and documents

Stereo- and regiocontrolled synthesis of highly functionalized cyclopentanes with multiple chiral centers

Nonn, Melinda,Binder, Adrienn,Volk, Balázs,Kiss, Loránd

, p. 1199 - 1209 (2020/03/17)

The synthesis of some highly substituted three-dimensional cyclopentanes with multiple chiral centers and with high regiochemical and stereochemical diversity has been accomplished starting from cyclopentadiene-derived aminocyclopentenecarboxylic acids. The small-molecular design consisted of stereo- and regiocontrolled functionalization of the starting cyclopentene β- and γ-amino acids through oxirane formation/oxirane opening and afforded regio- and diastereoisomers of orthogonally protected aminocyclopentanecarboxylates.

Synthesis of novel isoxazoline-fused cyclic β-amino esters by regio- and stereo-selective 1,3-dipolar cycloaddition

Nonn, Melinda,Kiss, Loránd,Forró, Enik?,Mucsi, Zoltán,Fül?p, Ferenc

scheme or table, p. 4079 - 4085 (2011/06/24)

Isoxazoline-fused 2-aminocyclopentanecarboxylate derivatives were regio- and stereo-selectively synthesized by nitrile oxide 1,3-dipolar cycloaddition to cis- or trans-ethyl-2-aminocyclopent-3-enecarboxylates. The compounds were prepared in enantiomerical

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