9000-12-8 Usage
Occurrence
In the oleoresin obtained from the trunk of several species of Copaifera L. (Fam. Leguminosae).
Preparation
By tapping of the Copaifera tree.
Essential oil composition
Copaiba balsam contains substantial quantities of a volatile oil, the balance being resinous substances and small quantities of acids
Check Digit Verification of cas no
The CAS Registry Mumber 9000-12-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 9000-12:
(6*9)+(5*0)+(4*0)+(3*0)+(2*1)+(1*2)=58
58 % 10 = 8
So 9000-12-8 is a valid CAS Registry Number.