Cas 197230-68-5,C16H10N2O4

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Check Digit Verification of cas no

The CAS Registry Mumber 197230-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,3 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197230-68:
(8*1)+(7*9)+(6*7)+(5*2)+(4*3)+(3*0)+(2*6)+(1*8)=155
155 % 10 = 5
So 197230-68-5 is a valid CAS Registry Number.

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197230-68-5Relevant articles and documents

Synthesis and biological activity of heterocycles synthesized from diaza compounds

Mulwad,Mhamunkar, Yogesh,Langi, Bhushan

experimental part, p. 349 - 352 (2011/12/16)

(Benzopyran-2-one)-6-diazo salicylaldehydes 2a-c were synthesized by diazotization of 6-aminocoumarinsand salicylaldehyde. 2a-c on treatment with acetic anhydride and sodium acetate and sodium phenyl acetate and acetic anhydride, undergo Perkin reaction t

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197230-68-5