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135939-43-4

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135939-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135939-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,9,3 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135939-43:
(8*1)+(7*3)+(6*5)+(5*9)+(4*3)+(3*9)+(2*4)+(1*3)=154
154 % 10 = 4
So 135939-43-4 is a valid CAS Registry Number.

135939-43-4Downstream Products

135939-43-4Relevant articles and documents

FUSED IMIDAZOPHENOTHIAZINES: STUDIES ON THE BERNTHSEN THIONATION OF 1-METHYL-6-(p-TOLYLAMINO)BENZIMIDAZOLE AND 2-METHYL-1-PHENYLBENZIMIDAZOLE

Lopez-Alvarado, Pilar,Avendano, Carmen,Menendez, J. Carlos

, p. 1003 - 1012 (2007/10/02)

Thionation of 1-methyl-6-(p-tolylamino)benzimidazole (obtained from 1-methyl-6-aminobenzoimidazole and p-tolyllead triacetate) afforded a 7:3 mixture of two isomeric imidazophenothiazines, by inclusion of sulphur into the C7 and C2' or C5 and C2' position

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