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87264-21-9

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87264-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87264-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,6 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87264-21:
(7*8)+(6*7)+(5*2)+(4*6)+(3*4)+(2*2)+(1*1)=149
149 % 10 = 9
So 87264-21-9 is a valid CAS Registry Number.

87264-21-9Downstream Products

87264-21-9Relevant articles and documents

Synthesis of the Indolocarbazole Natural Products Staurosporinone and Arcyriaflavin B

Hughes, Ian,Nolan, William P.,Raphael, Ralph A.

, p. 2475 - 2480 (2007/10/02)

Flexible synthetic routes involving double nitrene insertions are described leading to the indolocarbazole systems present in a growing group of natural products.The methods are exemplified by the total synthesis of two members of this group stauro

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