1629278-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1629278-26-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,9,2,7 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1629278-26:
(9*1)+(8*6)+(7*2)+(6*9)+(5*2)+(4*7)+(3*8)+(2*2)+(1*6)=197
197 % 10 = 7
So 1629278-26-7 is a valid CAS Registry Number.