199617-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199617-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,1 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 199617-39:
(8*1)+(7*9)+(6*9)+(5*6)+(4*1)+(3*7)+(2*3)+(1*9)=195
195 % 10 = 5
So 199617-39-5 is a valid CAS Registry Number.
199617-39-5Relevant articles and documents
A convenient synthesis of episulfides and their conversion into alkenes
Dybowski, Piotr,Skowrońska, Aleksandra
, p. 1134 - 1136 (1997)
A convenient and stereoselective synthesis of episulfides based on the reaction of readily available S-(β-oxoalkyl) thiophosphate with sodium borohydride and their conversion into alkenes is described.