127783-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127783-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,8 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 127783-74:
(8*1)+(7*2)+(6*7)+(5*7)+(4*8)+(3*3)+(2*7)+(1*4)=158
158 % 10 = 8
So 127783-74-8 is a valid CAS Registry Number.