891781-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891781-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,7,8 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 891781-88:
(8*8)+(7*9)+(6*1)+(5*7)+(4*8)+(3*1)+(2*8)+(1*8)=227
227 % 10 = 7
So 891781-88-7 is a valid CAS Registry Number.
InChI:InChI=1/C8H19N/c1-5-8(6-2)9-7(3)4/h7-9H,5-6H2,1-4H3