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861838-89-3

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861838-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 861838-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,8,3 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 861838-89:
(8*8)+(7*6)+(6*1)+(5*8)+(4*3)+(3*8)+(2*8)+(1*9)=213
213 % 10 = 3
So 861838-89-3 is a valid CAS Registry Number.

861838-89-3Downstream Products

861838-89-3Relevant articles and documents

Facile synthesis of substituted dihydro-1,4-dithiins and -1,4-dithiepins from α-oxo ketene cyclic dithioacetals

Dong, Dewen,Sun, Ran,Yu, Haifeng,Ouyang, Yan,Zhang, Qian,Liu, Qun

, p. 7331 - 7335 (2007/10/03)

A novel and facile synthesis of substituted 2,3-dihydro-1,4-dithiins and 6,7-dihydro-5H-1,4-dithiepins based on the reactions of α-bromo/hydroxy ketones with α-oxo ketene cyclic dithioacetals has been developed. A general mechanism for the reactions is pr

A first example using o-iodoxybenzoic acid (IBX) in combination with tetraethylammonium bromide (TEAB) for ring expansion of 1,3-dithiolanes and 1,3-dithianes

Shukla, Vidyanand G.,Salgaonkar, Paresh D.,Akamanchi, Krishnacharya G.

, p. 1483 - 1485 (2007/10/03)

A novel one-pot procedure for the synthesis of dihydro-1,4-dithiins and dihydro-1,4-dithiepines from the corresponding 1,3-dithiolanes and 1,3-dithianes using o-iodoxybenzoic acid (IBX) in combination with tetraethylammonium bromide (TEAB) is described. T

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