117785-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117785-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,8 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117785-55:
(8*1)+(7*1)+(6*7)+(5*7)+(4*8)+(3*5)+(2*5)+(1*5)=154
154 % 10 = 4
So 117785-55-4 is a valid CAS Registry Number.
117785-55-4Relevant academic research and scientific papers
Takeda, Takeshi,Ogawa, Shinji,Ohta, Nagaaki,Fujiwara, Tooru
, p. 1967 - 1970 (1987)
Allylstannanes were prepared by the reaction of allyl sulfides with tributylstannyllithium in the presence of CuBr and HMPA in good yields.