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290822-91-2

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290822-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 290822-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 290822-91:
(8*2)+(7*9)+(6*0)+(5*8)+(4*2)+(3*2)+(2*9)+(1*1)=152
152 % 10 = 2
So 290822-91-2 is a valid CAS Registry Number.

290822-91-2Relevant articles and documents

First synthesis of (-)-neplanocin C

Comin, María J.,Rodriguez, Juan B.

, p. 4639 - 4649 (2007/10/03)

(-)-Neplanocin C (4), a minor component of the neplanocin family of antibiotics and a lead drug for the design of several conformationally constrained nucleosides analogues, was enantioselectively synthesized starting from D-ribono-1,4-lactone via a convergent approach in twelve steps. The proton NMR spectrum of 4 was in agreement with the corresponding natural product. Calculated coupling constants obtained from ab initio molecular modeling studies and from previously published X-ray structure of neplanocin C also corresponded to the spectroscopic data. (C) 2000 Elsevier Science Ltd.

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