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676144-17-5

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676144-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 676144-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,1,4 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 676144-17:
(8*6)+(7*7)+(6*6)+(5*1)+(4*4)+(3*4)+(2*1)+(1*7)=175
175 % 10 = 5
So 676144-17-5 is a valid CAS Registry Number.

676144-17-5Downstream Products

676144-17-5Relevant articles and documents

Sugar conjugates of fulvestrant (ICI 182,780): Efficient general procedures for glycosylation of the fulvestrant core

Thompson, Mark J.,Hutchinson, Edward J.,Stratford, Thomas H.,Bowler, Wayne B.,Blackburn, G. Michael

, p. 1207 - 1210 (2004)

We have prepared glucose and cellobiose conjugates at the phenolic 3- and hydroxylic 17-positions of the pure anti-estrogenic compound fulvestrant (ICI 182,780), which has recently been approved in the USA for the treatment of advanced postmenopausal breast cancer. Glycosylation at the 17-position was achieved most effectively using pivaloyl protection of the sugar imidates employed, which we found suppressed the competing transacylation reaction and led to improved yields of the product glycosides.

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