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204448-45-3

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204448-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204448-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,4,4 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204448-45:
(8*2)+(7*0)+(6*4)+(5*4)+(4*4)+(3*8)+(2*4)+(1*5)=113
113 % 10 = 3
So 204448-45-3 is a valid CAS Registry Number.

204448-45-3Upstream product

204448-45-3Relevant articles and documents

The Spongistatins: Architecturally Complex Natural Products - Part One: A Formal Synthesis of (+)-Spongistatin 1 by Construction of an Advanced ABCD Fragment

Smith, Amos B.,Doughty, Victoria A.,Lin, Qiyan,Zhuang, Linghang,McBriar, Mark D.,Boldi, Armen M.,Moser, William H.,Murase, Noriaki,Nakayama, Kiyoshi,Sobukawa, Masao

, p. 191 - 195 (2007/10/03)

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