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138458-92-1

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138458-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138458-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,5 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138458-92:
(8*1)+(7*3)+(6*8)+(5*4)+(4*5)+(3*8)+(2*9)+(1*2)=161
161 % 10 = 1
So 138458-92-1 is a valid CAS Registry Number.

138458-92-1Relevant academic research and scientific papers

Daphniphyllum Alkaloids. 14. Total Synthesis of (+/-)-Bukittinggine

Heathcock, Clayton H.,Stafford, Jeffrey A.,Clark, David L.

, p. 2575 - 2585 (2007/10/02)

The unique heptacyclic Daphniphyllum alkaloid bukittinggine (1) has been prepared by total synthesis.The basic secodaphnane nucleus was fashioned in one step by application of the tetracyclization process to dihydroxy diether 5.The pyrrolidine ring in 1 w

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