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1223997-06-5

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1223997-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1223997-06-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,3,9,9 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1223997-06:
(9*1)+(8*2)+(7*2)+(6*3)+(5*9)+(4*9)+(3*7)+(2*0)+(1*6)=165
165 % 10 = 5
So 1223997-06-5 is a valid CAS Registry Number.

1223997-06-5Downstream Products

1223997-06-5Relevant academic research and scientific papers

One-step synthesis of tetrazolo[1,5-a]pyrimidines by cyclization reaction of dihydropyrimidine-2-thiones with sodium azide

Wang, Xi-Cun,Wei, Ying,Da, Yu-Xia,Zhang, Zhang,Quan, Zheng-Jun

, p. 2811 - 2822 (2011)

An novel, versatile and cost-effective approach for tetrazolo[1,5-a] pyrimidines and tetrazolo[1,5-a]quinazolines from cyclization reaction of dihydropyrimidinethiones with sodium azide in the presence of mercuric acetate is described. To compare this pro

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