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158862-55-6

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158862-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158862-55-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,6 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158862-55:
(8*1)+(7*5)+(6*8)+(5*8)+(4*6)+(3*2)+(2*5)+(1*5)=176
176 % 10 = 6
So 158862-55-6 is a valid CAS Registry Number.

158862-55-6Downstream Products

158862-55-6Relevant articles and documents

A remarkable glycosylation reaction: The total synthesis of calicheamicin γ1I

Hitchcock, Stephen A.,Chu-Moyer, Margaret Y.,Boyer, Serge H.,Olson, Steven H.,Danishefsky, Samuel J.

, p. 5750 - 5756 (2007/10/02)

An account of the reasoning and reduction to practice of a highly convergent total stereospecific synthesis of calicheamicin y1I (1) is provided. The key finding was the use of a very mild promoter system (silver triflate and 4 ? mol

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