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186817-88-9

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186817-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186817-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,8,1 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 186817-88:
(8*1)+(7*8)+(6*6)+(5*8)+(4*1)+(3*7)+(2*8)+(1*8)=189
189 % 10 = 9
So 186817-88-9 is a valid CAS Registry Number.

186817-88-9Relevant articles and documents

Practical synthesis of anti-methicillin-resistant Staphylococcus aureus (MRSA) carbapenem L-742,728

Yasuda, Nobuyoshi,Huffman, Mark A.,Ho, Guo-Jie,Xavier, Lyndon C.,Yang, Chunhua,Emerson, Khateeta M.,Tsay, Fuh-Rong,Li, Yulan,Kress, Michael H.,Rieger, Dale L.,Karady, Sandor,Sohar, Paul,Abramson, Newton L.,DeCamp, Ann E.,Mathre, David J.,Douglas, Alan W.,Dolling, Ulf-H.,Grabowski, Edward J. J.,Reider, Paul J.

, p. 5438 - 5446 (1998)

Anti-MRSA carbapenem, L-742,728, has been prepared in large quantity using the Suzuki-Miyaura cross-coupling as the key reaction. Three approaches have been examined by varying the coupling reaction between carbapenem nucleus A and side chains B, BC, and

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