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211575-46-1

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211575-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211575-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,5,7 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 211575-46:
(8*2)+(7*1)+(6*1)+(5*5)+(4*7)+(3*5)+(2*4)+(1*6)=111
111 % 10 = 1
So 211575-46-1 is a valid CAS Registry Number.

211575-46-1Downstream Products

211575-46-1Relevant academic research and scientific papers

Efficient microwave-assisted preparation of squaric acid monoamides in water

Lopez, Carlos,Vega, Manuel,Sanna, Elena,Rotger, Carmen,Costa, Antoni

, p. 7249 - 7253 (2013)

Squaric acid monoamides (SQAMs) were prepared via microwave-enhanced direct reaction of amines with squaric acid in yields ranging from 41 to 92%. These compounds are strong acids, with pKa values ranging from 0.9 to 2.0 as determined by spectrophotometric titration in representative cases. The Royal Society of Chemistry 2013.

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