4376-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4376-81-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,7 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4376-81:
(6*4)+(5*3)+(4*7)+(3*6)+(2*8)+(1*1)=102
102 % 10 = 2
So 4376-81-2 is a valid CAS Registry Number.
InChI:InChI=1/C16H12O6/c1-21-10-4-2-8(3-5-10)13-15(19)14-11(18)6-9(17)7-12(14)22-16(13)20/h2-7,17-19H,1H3