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204973-14-8

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204973-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204973-14-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,9,7 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 204973-14:
(8*2)+(7*0)+(6*4)+(5*9)+(4*7)+(3*3)+(2*1)+(1*4)=128
128 % 10 = 8
So 204973-14-8 is a valid CAS Registry Number.

204973-14-8Relevant articles and documents

Efficient synthesis of the κ-opioid receptor agonist CJ-15,161: Four stereospecific inversions at a single aziridinium stereogenic center

Couturier, Michel,Tucker, John L.,Andresen, Brian M.,DeVries, Keith M.,Vanderplas, Brian C.,Ito, Fumitaka

, p. 3517 - 3523 (2007/10/03)

An efficient four-step sequence has been developed for the synthesis of the κ-opioid receptor agonist CJ-15,161. The process features four consecutive regioselective and stereospecific inversions at a single aziridinium stereogenic center, which leads to

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