871127-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871127-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,1,2 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871127-74:
(8*8)+(7*7)+(6*1)+(5*1)+(4*2)+(3*7)+(2*7)+(1*4)=171
171 % 10 = 1
So 871127-74-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H16O4/c18-16(7-4-8-17(19)20)13-9-11-15(12-10-13)21-14-5-2-1-3-6-14/h1-3,5-6,9-12H,4,7-8H2,(H,19,20)