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51803-15-7

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51803-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51803-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51803-15:
(7*5)+(6*1)+(5*8)+(4*0)+(3*3)+(2*1)+(1*5)=97
97 % 10 = 7
So 51803-15-7 is a valid CAS Registry Number.

51803-15-7Downstream Products

51803-15-7Relevant articles and documents

The Reaction of 3,5-Diphenyl-1,2,4-dithiazol-1-ium Perchlorate with Active Methylene Compounds

Shibuya, Isao

, p. 605 - 606 (1984)

The reaction of 3,5-diphenyl-1,2,4-dithiazol-1-ium perchlorate with several kinds of active methylenes gives a number of heterocycles, such as 4-hydroxy and 4-mercaptopyrimidine, pyrimidinone, and thiazole derivatives.On treatment with hydroxylamine-O-sulfonic acid, the 4-mercaptopyrimidines lead to the aminothio compounds or the isothiazolopyrimidine.

The Reaction of 2,4,6-Triphenyl-1,3,5-thiadiazin-1-ium Salt with Active Methylene Compounds

Shibuya, Isao

, p. 2158 - 2160 (2007/10/02)

The reaction of 2,4,6-triphenyl-1,3,5-thiadiazin-1-ium tetrafluoroborate with several active methylene compounds was studied.Nitromethane and nitroethane gave 2H-1,3,5-thiadiazines.The compounds possessing a benzoyl group reacted with this salt to give 5-

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