67637-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67637-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,3 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67637-71:
(7*6)+(6*7)+(5*6)+(4*3)+(3*7)+(2*7)+(1*1)=162
162 % 10 = 2
So 67637-71-2 is a valid CAS Registry Number.
InChI:InChI=1/C12H13NO3S/c1-6(2)13-5-9(12(15)16)10(14)8-4-7(3)17-11(8)13/h4-6H,1-3H3,(H,15,16)