16277-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16277-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,7 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16277-49:
(7*1)+(6*6)+(5*2)+(4*7)+(3*7)+(2*4)+(1*9)=119
119 % 10 = 9
So 16277-49-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H18O/c1-13-15-7-4-5-8-16(15)14(2)21-17(13)11-12-18-19(21)9-6-10-20(18)22-3/h4-12H,1-3H3