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182216-98-4

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182216-98-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 182216-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,2,2,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 182216-98:
(8*1)+(7*8)+(6*2)+(5*2)+(4*1)+(3*6)+(2*9)+(1*8)=134
134 % 10 = 4
So 182216-98-4 is a valid CAS Registry Number.

182216-98-4Downstream Products

182216-98-4Relevant articles and documents

Amino acid based diastereoselective synthesis of elsaminose

Ruiz, Maria,Ojea, Vicente,Quintela, Jose Ma.

, p. 5743 - 5746 (1996)

Optically pure (+)-elsaminose (2), the amino sugar contained in the antitumor antibiotic elasmicin A, has been synthesized in eight steps (26% overall yield) from known building blocks derived from glycine, L-valine, and L-threonine. Direct and selective construction of the key intermediate 6, with the complete backbone and the proper stereochemical configuration, is accomplished by a syn-aldol type reaction between lithiated Schollkopf's bislactime ether 5 and a 1,3-dioxolane-4-carboxaldehyde (-)-3.

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