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914642-00-5

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914642-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 914642-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,6,4 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 914642-00:
(8*9)+(7*1)+(6*4)+(5*6)+(4*4)+(3*2)+(2*0)+(1*0)=155
155 % 10 = 5
So 914642-00-5 is a valid CAS Registry Number.

914642-00-5Downstream Products

914642-00-5Relevant articles and documents

Bidirectional synthesis of the central amino acid of chloptosin

Hong, Wen-Xu,Chen, Ling-Jun,Zhong, Chun-Long,Yao, Zhu-Jun

, p. 4919 - 4922 (2006)

(Chemical Equation Presented) An efficient total synthesis of (2S,2′S,3aR,3′aR,8aR,8′aR)-6,6′-dichloro-3a, 3′a-dihydroxy-1,1′,2,2′,3,3a,3′,3′a,8,8a,8′, 8′a-dodecahydro-5,5′-bipyr-rolo[2,3-b]indole-2,2′- dicarboxylic acid, the central amino acid component of chloptosin (1), is described. Starting from m-chloronitrobenzene, this C2-symmetrical amino acid was synthesized by using a 14-step route, in which a Zinin benzidine rearrangement, intramolecular Heck reaction, and selenocyclization and oxidative deselenation served as key steps. The absolute stereochemistry of the target was confirmed by X-ray single-crystal studies on a key intermediate (17).

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