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1202518-88-4

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1202518-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202518-88-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,5,1 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1202518-88:
(9*1)+(8*2)+(7*0)+(6*2)+(5*5)+(4*1)+(3*8)+(2*8)+(1*8)=114
114 % 10 = 4
So 1202518-88-4 is a valid CAS Registry Number.

1202518-88-4Downstream Products

1202518-88-4Relevant articles and documents

Efficient synthesis of pyrimido[1,2-c] [1,3]benzothiazin-6-imines and related tricyclic heterocycles by SNAr-type C-S, C-N, or C-O bond formation with heterocumulenes

Mizuhara, Tsukasa,Oishi, Shinya,Fujii, Nobutaka,Ohno, Hiroaki

supporting information; experimental part, p. 265 - 268 (2010/04/06)

(Chemical Equation Presented) A simple and practical synthetic method of pyrimido[1,2-c]-[1,3]benzothiazin-6-imines and related tricyclic heterocycles has been developed. Treatment of 2-(2-haloaryl)-tetrahydropyrimidines with NaH and a heterocumulene such as carbon disulfide, isothiocyanates, and isocyanates in DMF provides the desired cyclization products through a regioselective S NAr-type reaction. This method provides direct access to PD 404182 and related compounds.

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