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1441074-91-4

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1441074-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1441074-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,1,0,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1441074-91:
(9*1)+(8*4)+(7*4)+(6*1)+(5*0)+(4*7)+(3*4)+(2*9)+(1*1)=134
134 % 10 = 4
So 1441074-91-4 is a valid CAS Registry Number.

1441074-91-4Relevant articles and documents

Unexpected ring-opening of 3-aroylbenzo[b]furans at room temperature: A new route for the construction of phenol-substituted pyrazoles

Abdel-Aziz, Hatem A.,Ahmad, Pervez,Kadi, Adnan,Al-Rashood, Khalid A.,Ghabbour, Hazem A.,Fun, Hoong-Kun

, p. 3424 - 3426 (2013/06/27)

A new and convenient route for the synthesis of phenol-substituted pyrazoles 11-18 is starting from 3-aroylbenzo[b]furans 1-8 and hydrazine hydrate at room temperature.

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