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404574-47-6

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404574-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404574-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,5,7 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 404574-47:
(8*4)+(7*0)+(6*4)+(5*5)+(4*7)+(3*4)+(2*4)+(1*7)=136
136 % 10 = 6
So 404574-47-6 is a valid CAS Registry Number.

404574-47-6Relevant articles and documents

Synthesis of 14′,15′-dehydro-ritterazine y via reductive and oxidative functionalizations of hecogenin acetate

Kou, Yi,Cheun, Young,Koag, Myong Chul,Lee, Seongmin

, p. 304 - 311 (2013/02/23)

An analog of ritterazine Y was synthesized from hecogenin acetate in 23 steps via functional group manipulations of hecogenin acetate. Preparation of the north G and south Y units and the late stage Guo-Fuchs asymmetric coupling of the both units afforded

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