Cas 1321804-59-4,4-[1-(4-methoxyphenyl)ethyl]antipyrine

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Check Digit Verification of cas no

The CAS Registry Mumber 1321804-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,8,0 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1321804-59:
(9*1)+(8*3)+(7*2)+(6*1)+(5*8)+(4*0)+(3*4)+(2*5)+(1*9)=124
124 % 10 = 4
So 1321804-59-4 is a valid CAS Registry Number.

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1321804-59-4Relevant articles and documents

Gluconic acid aqueous solution as a sustainable and recyclable promoting medium for organic reactions

Zhou, Binghua,Yang, Jie,Li, Minghao,Gu, Yanlong

scheme or table, p. 2204 - 2211 (2011/10/03)

For the first time, gluconic acid aqueous solution (GAAS), a biobased weakly acidic liquid, was used as an effective promoting medium for organic reactions, such as the Michael addition of indoles to α,β-unsaturated ketones, the electrophilic ring-opening

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1321804-59-4