123172-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123172-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,7 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123172-55:
(8*1)+(7*2)+(6*3)+(5*1)+(4*7)+(3*2)+(2*5)+(1*5)=94
94 % 10 = 4
So 123172-55-4 is a valid CAS Registry Number.
InChI:InChI=1/C12H13NO3/c1-7(14)9-4-5-10-11(6-9)16-8(2)12(15)13(10)3/h4-6,8H,1-3H3
