1630951-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630951-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,9,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1630951-19:
(9*1)+(8*6)+(7*3)+(6*0)+(5*9)+(4*5)+(3*1)+(2*1)+(1*9)=157
157 % 10 = 7
So 1630951-19-7 is a valid CAS Registry Number.