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94272-85-2

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94272-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94272-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,7 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 94272-85:
(7*9)+(6*4)+(5*2)+(4*7)+(3*2)+(2*8)+(1*5)=152
152 % 10 = 2
So 94272-85-2 is a valid CAS Registry Number.

94272-85-2Downstream Products

94272-85-2Relevant academic research and scientific papers

A TOTAL SYNTHESIS OF (+/-)-CORYDAINE FROM COPTISINE

Hanaoka, Miyoji,Ashimori, Atsuyuki,Yasuda, Shingo

, p. 2263 - 2264 (2007/10/02)

Regioselective protection of C8-hydroxy of the spiro-diol (6b) derived from coptisine (1b), followed by oxidation of C13-hydroxy afforded the keto-oxazolidine (8b) which was treated with sodium cyanoborohydride to provide (+/-)-corydaine (5b) in an excellent yield.

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