1279655-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279655-42-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,6,5 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1279655-42:
(9*1)+(8*2)+(7*7)+(6*9)+(5*6)+(4*5)+(3*5)+(2*4)+(1*2)=203
203 % 10 = 3
So 1279655-42-3 is a valid CAS Registry Number.