16655-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16655-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,5 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16655-99:
(7*1)+(6*6)+(5*6)+(4*5)+(3*5)+(2*9)+(1*9)=135
135 % 10 = 5
So 16655-99-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H7O6P/c8-7(13-14(9,10)11)4-3-6-2-1-5-12-6/h1-5H,(H2,9,10,11)/b4-3+