137591-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137591-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,9 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137591-94:
(8*1)+(7*3)+(6*7)+(5*5)+(4*9)+(3*1)+(2*9)+(1*4)=157
157 % 10 = 7
So 137591-94-7 is a valid CAS Registry Number.