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133523-50-9

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133523-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133523-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,2 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133523-50:
(8*1)+(7*3)+(6*3)+(5*5)+(4*2)+(3*3)+(2*5)+(1*0)=99
99 % 10 = 9
So 133523-50-9 is a valid CAS Registry Number.

133523-50-9Downstream Products

133523-50-9Relevant articles and documents

Cycloaddition-Elimination Reactions of Freund's "Methyl Isothiocyanate Sulfide" with Electrophilic Nitriles

L'abbe, Gerrit,Vandendriessche, Anna,Sannen, Ingrid

, p. 3268 - 3270 (1991)

The 1,2,4-dithiazolidine 1 and the 1,2,4-thiadiazolidine 2 are interconvertible in the presence of electrophilic nitriles and furnish 1,2,4-thiadiazoline-5-thiones 7 as final products.A mechanistic rationalization involving consecutive cycloaddition-elimi

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