213738-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213738-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,7,3 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 213738-12:
(8*2)+(7*1)+(6*3)+(5*7)+(4*3)+(3*8)+(2*1)+(1*2)=116
116 % 10 = 6
So 213738-12-6 is a valid CAS Registry Number.