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51549-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51549-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,4 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51549-67:
128 % 10 = 8
So 51549-67-8 is a valid CAS Registry Number.

51549-67-8Upstream product

51549-67-8Downstream Products

51549-67-8Relevant articles and documents

Stereocontrolled introduction of an amino group at C-6 of D-galactose via (3,3)-sigmatropic rearrangements - Novel synthesis of lincosamine and 7- epi-lincosamine precursors

Gonda, Jozef,Zavacká, Eva,Bude?ínsky, Miloslav,Císarová, Ivana,Podlaha, Jaroslav

, p. 525 - 529 (2007/10/03)

A new and stereoselective route to the aminoglycoside components of the antibiotics lincomycin and clindamycin is presented. The key step involves diastereoselective introduction of the amino group at C-6 of D-galactose by (3,3)-sigmatropic rearrangements of the corresponding allylic (Z)- trifluoroacetimidate and (Z)- and (E)-allylic thiocyanates. Epoxidation of the resulting trifluoroacetamide with m-CPBA led to the epoxide with high threo-selectivity.

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