1173021-70-9 Usage
General Description
2-Cyano-functionalized silica gel is a modified silica gel.
Check Digit Verification of cas no
The CAS Registry Mumber 1173021-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,0,2 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1173021-70:
(9*1)+(8*1)+(7*7)+(6*3)+(5*0)+(4*2)+(3*1)+(2*7)+(1*0)=109
109 % 10 = 9
So 1173021-70-9 is a valid CAS Registry Number.