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668461-38-9

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668461-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 668461-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,4,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 668461-38:
(8*6)+(7*6)+(6*8)+(5*4)+(4*6)+(3*1)+(2*3)+(1*8)=199
199 % 10 = 9
So 668461-38-9 is a valid CAS Registry Number.

668461-38-9Relevant articles and documents

Total Synthesis of the Boron-Containing Ion Carrier Antibiotic Macrodiolide Tartrolon B

Mulzer, Johann,Berger, Markus

, p. 891 - 898 (2007/10/03)

The first total synthesis of the boron-containing macrodiolide antibiotic tartrolon B is reported in full detail. Two convergent approaches to the target compound are described, the first of which eventually failed, due to sensitive functionality. In the

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