6689-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6689-25-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,8 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6689-25:
(6*6)+(5*6)+(4*8)+(3*9)+(2*2)+(1*5)=134
134 % 10 = 4
So 6689-25-4 is a valid CAS Registry Number.
6689-25-4Relevant articles and documents
Synthetic method for glycidyl ether oxysilane
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Paragraph 0027, (2017/02/09)
The invention discloses a synthetic method for glycidyl ether oxysilane. The method comprises the following steps: adding glycidol, an acid binding agent and a solvent into a reaction container so as to obtain a mixed solution and then subjecting the mixe