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188027-88-5

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188027-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188027-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,0,2 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 188027-88:
(8*1)+(7*8)+(6*8)+(5*0)+(4*2)+(3*7)+(2*8)+(1*8)=165
165 % 10 = 5
So 188027-88-5 is a valid CAS Registry Number.

188027-88-5Relevant articles and documents

Design and implementation of an efficient synthetic approach to pyranosylated indolocarbazoles: Total synthesis of (+)-RK286c, (+)-MLR-52, (+)-staurosporine, and (-)-TAN-1030a

Wood, John L.,Stoltz, Brian M.,Goodman, Steven N.,Onwueme, Kenolisa

, p. 9652 - 9661 (2007/10/03)

A total synthesis of the natural products (+)-staurosporine (2), (+)-RK286c (3), (-)-TAN-1030a (4), and (+)-MLR-52 (5) has been achieved. The synthetic strategy involves the stereoselective ring expansion of a furanosylated indolocarbazole [(+)-8] to a pyranosylated congener [(+)-12] that serves as a common intermediate in the production of 2-5.

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