28989-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28989-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28989-29:
(7*2)+(6*8)+(5*9)+(4*8)+(3*9)+(2*2)+(1*9)=179
179 % 10 = 9
So 28989-29-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H4ClNS/c10-9-6-3-1-2-4-7(6)12-8(9)5-11/h1-4H