18689-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18689-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,8 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18689-03:
(7*1)+(6*8)+(5*6)+(4*8)+(3*9)+(2*0)+(1*3)=147
147 % 10 = 7
So 18689-03-7 is a valid CAS Registry Number.
18689-03-7Relevant academic research and scientific papers
Yarosh,Yarosh,Albanov,Voronkov
, p. 1901 - 1903 (2002)
The reaction of ethynylmagnesium bromide with chloroisopropylgermanes (i-Pr4-nGeCln, n = 1-3) was used to prepare previously unknown ethynylisopropylgermanes i-Pr4-nGe(C≡CH)n (n = 1-3). The reaction of Me3