37771-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37771-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,7 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37771-52:
(7*3)+(6*7)+(5*7)+(4*7)+(3*1)+(2*5)+(1*2)=141
141 % 10 = 1
So 37771-52-1 is a valid CAS Registry Number.