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138906-07-7

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138906-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138906-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,0 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138906-07:
(8*1)+(7*3)+(6*8)+(5*9)+(4*0)+(3*6)+(2*0)+(1*7)=147
147 % 10 = 7
So 138906-07-7 is a valid CAS Registry Number.

138906-07-7Downstream Products

138906-07-7Relevant articles and documents

Preparation of N-(Substituted formyl) dialkylamino(thioxo)methanesulfenamides

Yonemoto, Katsumi,Shibuya, Isao,Yasumoto, Masahiko,Taguchi, Yoichi,Tsuchiya, Tohru

, p. 3732 - 3734 (1991)

N-(Substituted formyl)dialkylamino(thioxo)methanesulfenamides (R2NCSSNHCOR', 2), anti-foggants for silver halide photographic materials as well as potential precursors for 1,4,2-dithiazolium salts, were prepared in good yields in two ''one-pot'' procedures.Various amide-type compounds (R'CONH2, 1) were treated successively with NaH and I2 and then condensed with dialkylditiocarbamates (Method A); or 1 were reacted with tetraalkylthiuram disulfides after treatment with NaH (Method B).These methods allowed a wide variation of substituents R' in 2: R' = H, dialkylamino, alkoxy, aryl, alkyl, and heterocyclic substituent.

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