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184104-18-5

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184104-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184104-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,1,0 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 184104-18:
(8*1)+(7*8)+(6*4)+(5*1)+(4*0)+(3*4)+(2*1)+(1*8)=115
115 % 10 = 5
So 184104-18-5 is a valid CAS Registry Number.

184104-18-5Relevant articles and documents

Synthetic studies on tautomycin synthesis of segment B

Tsuboi, Katsunori,Ichikawa, Yoshiyasu,Naganawa, Atsushi,Isobe, Minoru,Ubukata, Makoto,Isono, Kiyoshi

, p. 5083 - 5102 (2007/10/03)

The synthesis of Segment B corresponding to the C26-C17 portion of tautomycin was accomplished by coupling reaction between the epoxide (Sub-segment B-l) and the dithiane (Subsegment B-2). The degradation product of tautomycin corresponding to the C26-C19 portion was also synthesized from Sub-segment B-1.

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