139631-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139631-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,3 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139631-70:
(8*1)+(7*3)+(6*9)+(5*6)+(4*3)+(3*1)+(2*7)+(1*0)=142
142 % 10 = 2
So 139631-70-2 is a valid CAS Registry Number.
139631-70-2Relevant articles and documents
In Pursuit of Cyclopropanethione: Cyclopropanethione S-Oxide and S,S-Dioxide
Block, Eric,Schwan, Adrian,Dixon, David A.
, p. 3492 - 3499 (2007/10/02)
The geometries of cyclopropanethione (1a), methylenethiirane (2a), cyclopropanethione S-oxide (1b), methylenethiirane S-oxide (2b), cyclopropanethione S,S-dioxide (1c), methylenethiirane S,S-dioxide (2c), thioformaldehyde S,S-dioxide (sulfene), and the te