Cas 330639-52-6,C19H24N6O

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Check Digit Verification of cas no

The CAS Registry Mumber 330639-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,6,3 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 330639-52:
(8*3)+(7*3)+(6*0)+(5*6)+(4*3)+(3*9)+(2*5)+(1*2)=126
126 % 10 = 6
So 330639-52-6 is a valid CAS Registry Number.

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330639-52-6Relevant academic research and scientific papers

Efficient synthesis of 1,5-disubstituted carbohydrazones using K 2CO3 as a carbonyl donor

Wen, Jun,Yang, Chu-Ting,Jiang, Tao,Hu, Sheng,Yang, Tong-Zai,Wang, Xiao-Lin

supporting information, p. 2398 - 2401 (2014/05/20)

A novel reaction that generates 1,5-disubstituted carbohydrazones via the carbonylation of tosylhydrazones has been developed. For the first time, the inexpensive, readily available, environmentally friendly, and nongaseous potassium carbonate is used as

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