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28538-27-4

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28538-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28538-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,3 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28538-27:
(7*2)+(6*8)+(5*5)+(4*3)+(3*8)+(2*2)+(1*7)=134
134 % 10 = 4
So 28538-27-4 is a valid CAS Registry Number.

28538-27-4Relevant articles and documents

A SYNTHESIS AND AN X-RAY ANALYSIS OF 2'-C-, 3'-C- AND 5'-C-METHYLSANGIVAMYCINS

Murai, Yasushi,Shiroto, Hironori,Ishizaki, Tatsuya,Iimori, Takamasa,Kodama, Yoshio,et al.

, p. 391 - 404 (2007/10/02)

3'-C-, 5'(R)-C- and 5'(S)-C-Methylsangivamycins (3-5) were synthesized by the trimethylsilyl triflate mediated coupling reaction of the methyl substituted ribose derivatives (7), (9) and (10) with the base moiety (11) and the successive functional group m

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