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183667-15-4

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183667-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183667-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,6,6 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 183667-15:
(8*1)+(7*8)+(6*3)+(5*6)+(4*6)+(3*7)+(2*1)+(1*5)=164
164 % 10 = 4
So 183667-15-4 is a valid CAS Registry Number.

183667-15-4Relevant articles and documents

Solid-support synthesis of di- and tetramannosylated tetrathymidylic acid

Wijsman,Filippov,Valentijn,Van Der Marel,Van Boom

, p. 397 - 401 (2007/10/03)

The easy accessible building units 5-O-(2,3,4,6-tetra-O-benzoyI-α-D-mannopyranosyl)penyl 2-cyanoethyl N,N-diisopropylphosphoramidite (9) and 2,2-bis(4,4′-dimethoxytrityloxymethyl)propyl 2-cyanoethyl N,N-diisopropylphosphoramidite (12) were used for the sequential elongation of immobilized tetrametric thymidylic acid according to a DNA synthesis protocol. Ammonolysis of the individual immobilized adducts led to the isolation of the target compounds 1 and 2.

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