109072-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109072-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,7 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109072-77:
(8*1)+(7*0)+(6*9)+(5*0)+(4*7)+(3*2)+(2*7)+(1*7)=117
117 % 10 = 7
So 109072-77-7 is a valid CAS Registry Number.
109072-77-7Relevant academic research and scientific papers
1,3-CYCLOADDITIONS OF A THIONITROSO S-SULFIDE
Huisgen, Rolf,Peng, Xia
, p. 6063 - 6066 (2007/10/02)
The thionitroso S-sulfide 5 adds to (E)-cyclooctene, (E,Z)-1,5-cyclooctadiene, and norbornene to give 1,2,3-dithiazolidines, whereas enamines undergo electrophilic substitution.
