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1607805-88-8

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1607805-88-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1607805-88-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,7,8,0 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1607805-88:
(9*1)+(8*6)+(7*0)+(6*7)+(5*8)+(4*0)+(3*5)+(2*8)+(1*8)=178
178 % 10 = 8
So 1607805-88-8 is a valid CAS Registry Number.

1607805-88-8Downstream Products

1607805-88-8Relevant articles and documents

A de Novo stereocontrolled approach to syn- and anti-disubstituted acyclic β2,3-amino acid enantiomers

Cherepanova, Maria,Kiss, Loránd,Forr?, Eniko,Fül?p, Ferenc

, p. 403 - 409 (2014/01/23)

The stereocontrolled syntheses of functionalized acyclic β2,3-amino acid derivatives in enantiomerically pure form were performed by starting from enantiopure cis- and trans-2-aminocyclopent-3- enecarboxylates, which were derived from a racemic bicyclic β-lactam. The synthetic strategy involves the stereoselective dihydroxylaton of the C-C double bond of the cyclopentene β-amino esters. The subsequent NaIO 4-mediated ring cleavage affords dialdehyde intermediates that undergo functionalization by a Wittig reaction. The stereocontrolled syntheses of functionalized acyclic β2,3-amino acid derivatives in enantiomerically pure form have been performed in five steps by starting from enantiopure cis- and trans-2-aminocyclopent-3-enecarboxylates, which were derived from a racemic bicyclic β-lactam. Copyright

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