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1298015-35-6

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1298015-35-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1298015-35-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,8,0,1 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1298015-35:
(9*1)+(8*2)+(7*9)+(6*8)+(5*0)+(4*1)+(3*5)+(2*3)+(1*5)=166
166 % 10 = 6
So 1298015-35-6 is a valid CAS Registry Number.

1298015-35-6Relevant articles and documents

Phosphate tether-mediated approach to the formal total synthesis of (-)-salicylihalamides A and B

Chegondi, Rambabu,Tan, Mary M. L.,Hanson, Paul R.

, p. 3909 - 3916 (2011/07/08)

A concise formal synthesis of the cytotoxic macrolides (-)- salicylihalamides A and B is reported. Key features of the synthetic strategy include a chemoselective hydroboration, highly regio- and diastereoselective methyl cuprate addition, Pd-catalyzed formate reduction, and an E-selective ring-closing metathesis to construct the 12-membered macrocycle subunit. Overall, two routes have been developed from a readily prepared bicyclic phosphate (4 steps), a 13-step route and a more efficient 9-step sequence relying on regioselective esterification of a key diol.

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