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862843-27-4

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862843-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 862843-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,8,4 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 862843-27:
(8*8)+(7*6)+(6*2)+(5*8)+(4*4)+(3*3)+(2*2)+(1*7)=194
194 % 10 = 4
So 862843-27-4 is a valid CAS Registry Number.

862843-27-4Downstream Products

862843-27-4Relevant articles and documents

Novel erythromycin A derivatives: Synthesis of 11,12-benzoxazine ketolides

Zhu, Bin,Maden, Amy,Macielag, Mark J.

, p. 1783 - 1785 (2007/10/03)

A novel series of 11,12-benzoxazine ketolide derivatives of erythromycin A has been synthesized. The C11,C12-benzoxazine structure was constructed stereoselectively through an intramolecular Michael addition of a C12-O-(2-aminophenyl) group to the enone functionality of the 10,11-anhydro erythromycin A derivative 3.

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