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1054689-88-1

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1054689-88-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1054689-88-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,4,6,8 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1054689-88:
(9*1)+(8*0)+(7*5)+(6*4)+(5*6)+(4*8)+(3*9)+(2*8)+(1*8)=181
181 % 10 = 1
So 1054689-88-1 is a valid CAS Registry Number.

1054689-88-1Relevant articles and documents

Synthesis of a protected enantiomerically pure 2-deoxystreptamine derivative from D-allylglycine

Busscher, Guuske F.,Rutjes, Floris P.J.T.,Van Delft, Floris L.

, p. 3629 - 3632 (2007/10/03)

A diastereoselective synthetic route from D-allylglycine to the enantiopure (protected) 2-deoxystreptamine derivative 14 is presented. Key steps involve two consecutive chain extensions - with crucial stereodirective roles for the amino protective groups, ring closure by olefin metathesis, face selective dihydroxylation, cyclic sulfate formation and finally opening with azide. The resulting 2-deoxystreptamine derivative is ideally protected for the preparation of 4,5- or 4,6-linked aminoglycoside antibiotics.

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