1009768-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009768-51-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,7,6 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1009768-51:
(9*1)+(8*0)+(7*0)+(6*9)+(5*7)+(4*6)+(3*8)+(2*5)+(1*1)=157
157 % 10 = 7
So 1009768-51-7 is a valid CAS Registry Number.