1336985-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1336985-55-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,6,9,8 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1336985-55:
(9*1)+(8*3)+(7*3)+(6*6)+(5*9)+(4*8)+(3*5)+(2*5)+(1*5)=197
197 % 10 = 7
So 1336985-55-7 is a valid CAS Registry Number.