1770-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1770-83-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1770-83:
(6*1)+(5*7)+(4*7)+(3*0)+(2*8)+(1*3)=88
88 % 10 = 8
So 1770-83-8 is a valid CAS Registry Number.