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273201-31-3

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273201-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 273201-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,2,0 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 273201-31:
(8*2)+(7*7)+(6*3)+(5*2)+(4*0)+(3*1)+(2*3)+(1*1)=103
103 % 10 = 3
So 273201-31-3 is a valid CAS Registry Number.

273201-31-3Downstream Products

273201-31-3Relevant articles and documents

Phosphorylation of 5-arylmetylidene-1-morpholinocyclopentenes

Kostyuk, Aleksandr N.,Lysenko, Nikolai V.,Marchenko, Anatoly P.,Koidan, Georgy N.,Pinchuk, Aleksandr M.,Tolmachev, Andrei A.

, p. 209 - 229 (1998)

The phosphorylation reaction of 5-arylmethylidene-1-morpholinocyclopentenes with various phosphorus (III) and (V) halides was studied. It was shown that the enamines react with phosphorus (III) halides giving stable halo-and dihalophosphines which are key

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