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1307870-93-4

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1307870-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1307870-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,8,7 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1307870-93:
(9*1)+(8*3)+(7*0)+(6*7)+(5*8)+(4*7)+(3*0)+(2*9)+(1*3)=164
164 % 10 = 4
So 1307870-93-4 is a valid CAS Registry Number.

1307870-93-4Relevant articles and documents

Total synthesis of solamargine

Wei, Guohua,Wang, Jing,Du, Yuguo

, p. 2930 - 2933 (2011/06/26)

Solamargine, (25R)-3β-{O-α-l-rhamnopyranosyl-(1→2)-[O- α-l-rhamnopyranosyl-(1→4)]-β-d-glucopyranosyloxy} -22α-N-spirosol-5-ene, has been synthesized in 13 steps in a 10.5% overall yield starting from the naturally abundant diosgenin. Condensation of a partially protected glucopyranosyl donor with an oxaza-spiro moiety, which was formed in one-pot azido reduction, significantly improved the synthesis of desired molecule. The target compound exhibited good cytotoxic activities against tumor cells HeLa, A549, MCF-7, K562, HCT116, U87, and HepG2 with IC 50 ranging from 2.1 to 8.0 μM.

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