121590-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121590-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121590-22:
(8*1)+(7*2)+(6*1)+(5*5)+(4*9)+(3*0)+(2*2)+(1*2)=95
95 % 10 = 5
So 121590-22-5 is a valid CAS Registry Number.
121590-22-5Relevant academic research and scientific papers
Sulfone polyene intermediates
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, (2008/06/13)
A process for producing carotenoids and carotenoid intermediates via reduction of sulfonyl polyenes with a dithionite in the presence of ammonia or an aliphatic amine, including novel intermediates in this process, which carotenoids are known coloring agents for foodstuffs, animal feeds, pharmaceuticals, etc.
