117924-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117924-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,2 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117924-39:
(8*1)+(7*1)+(6*7)+(5*9)+(4*2)+(3*4)+(2*3)+(1*9)=137
137 % 10 = 7
So 117924-39-7 is a valid CAS Registry Number.
117924-39-7Relevant articles and documents
Synthesis and Structure of Organodiselenogermanes
Tomoda, Shuji,Shimoda, Masakatsu,Takeuchi, Yoshito,Iitaka, Yoichi
, p. 535 - 538 (2007/10/02)
Diphenylselenogermanes are prepared for the first time in 32-89percent yield by the reaction between sodium benzeneselenolate and dihalogermanes (halogen=Cl or Br).The X-ray structure of 1,1-diphenylseleno-1-germacylpentane has been determined.