20651-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20651-88-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,5 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20651-88:
(7*2)+(6*0)+(5*6)+(4*5)+(3*1)+(2*8)+(1*8)=91
91 % 10 = 1
So 20651-88-1 is a valid CAS Registry Number.
InChI:InChI=1/C11H10O2/c1-11(2)8-6-4-3-5-7(8)9(12)10(11)13/h3-6H,1-2H3