8001-76-1 Usage
Chemical Properties
Catechu black extract is prepared from heartwood of Acacia catechu Willd.
Check Digit Verification of cas no
The CAS Registry Mumber 8001-76-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 8001-76:
(6*8)+(5*0)+(4*0)+(3*1)+(2*7)+(1*6)=71
71 % 10 = 1
So 8001-76-1 is a valid CAS Registry Number.