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137303-14-1

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137303-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137303-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,0 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137303-14:
(8*1)+(7*3)+(6*7)+(5*3)+(4*0)+(3*3)+(2*1)+(1*4)=101
101 % 10 = 1
So 137303-14-1 is a valid CAS Registry Number.

137303-14-1Relevant articles and documents

Formation of cyclic sulfonium salts by Me3SiI-promoted intramolecular displacement of hydroxide or methoxide by sulfide. Ring contraction thiepane → thiolane

Cere, Vanda,Pollicino, Salvatore,Fava, Antonino

, p. 5989 - 5998 (2007/10/03)

A suitably positioned (1,2-, 1,4-, and 1,5-) intramolecular sulfide interferes with the iodotrimethylsilane-promoted iodine for hydroxyl substitution, as well as the related alcohol deprotection procedure (regioselective cleavage of methyl ethers). The ou

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