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28154-24-7

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28154-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28154-24-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,5 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28154-24:
(7*2)+(6*8)+(5*1)+(4*5)+(3*4)+(2*2)+(1*4)=107
107 % 10 = 7
So 28154-24-7 is a valid CAS Registry Number.

28154-24-7Downstream Products

28154-24-7Relevant articles and documents

SYNTHESIS OF TIGOGENYL β-O-CELLOBIOSIDE HEPTAACETATE AND GLYCOSIDE TETRAACETATE VIA SCHMIDT'S TRICHLOROACETIMIDATE METHOD; SOME NEW OBSERVATIONS.

Urban, Frank J.,Moore, Bernard S.,Breitenbach, Ralph

, p. 4421 - 4424 (2007/10/02)

In studying the synthesis of tigogenyl β-O-cellobioside 1 via the trichloroacetimidate method of Schmidt, cesium carbonate was found to be an efficient reagent for the synthesis of peracetylated disaccharide α-trichloroacetimidates.Zinc bromide was superior to BF3*Et2O for coupling these disaccharide α-trichloroacetimidates with the steroid tigogenin.

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