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75483-20-4

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75483-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75483-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,8 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75483-20:
(7*7)+(6*5)+(5*4)+(4*8)+(3*3)+(2*2)+(1*0)=144
144 % 10 = 4
So 75483-20-4 is a valid CAS Registry Number.

75483-20-4Downstream Products

75483-20-4Relevant articles and documents

Silica gel promoted synthesis of N-sulfonylcyclothioureas in water

Wan, Guo-Xiang,Xu, Liang,Ma, Xiao-Si,Ma, Ning

supporting information; experimental part, p. 6250 - 6254 (2011/12/14)

N-Sulfonylcyclothioureas were synthesized from N-sulfonyldiamines and CS2 with moderate to good yields in silica gel-water system. Moreover, the silica gel can be recycled for at least three times.

Chemistry of Sulfonyl Isocyanates and Sulfonyl Isothiocyanates. X. Possible routes to Substituted Imidazolidinethiones and Hexahydropyrimidinethiones

McFarland, J. W.,Kozel, T. H.,Stuhlmacher, K. R.,Chevalier, T. S.

, p. 273 - 276 (2007/10/02)

4-Toluenesulfonyl isocyanate (I) reacted with 2-aminoethanol and 3-amino-1-propanol to give 2:1 isocyanate/amino alcohol addition products. 1-Amino-2-propanol and I gave 1:1 and 2:1 adducts while 2-amino-2-methyl-1-propanol afforded only 1:1 adduct. 4-Tol

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