82721-82-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82721-82-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82721-82:
(7*8)+(6*2)+(5*7)+(4*2)+(3*1)+(2*8)+(1*2)=132
132 % 10 = 2
So 82721-82-2 is a valid CAS Registry Number.
82721-82-2Relevant articles and documents
Addition of Phenyl Areneselenosulphonates to Acetylenes: a Route to Acetylenic Sulphones
Miura, Takashi,Kobayashi, Michio
, p. 438 - 439 (2007/10/02)
Treatment of phenyl areneselenosulphonates (1) with terminal acetylenes resulted in the formation of β-(phenylseleno)vinyl sulphones (2), which on treatment with excess of hydrogen peroxide in tetrahydrofuran at room temperature gave acetylenic sulphones
