27744-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27744-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,4 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 27744-70:
(7*2)+(6*7)+(5*7)+(4*4)+(3*4)+(2*7)+(1*0)=133
133 % 10 = 3
So 27744-70-3 is a valid CAS Registry Number.