309948-29-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309948-29-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,4 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 309948-29:
(8*3)+(7*0)+(6*9)+(5*9)+(4*4)+(3*8)+(2*2)+(1*9)=176
176 % 10 = 6
So 309948-29-6 is a valid CAS Registry Number.