131803-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131803-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,0 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131803-91:
(8*1)+(7*3)+(6*1)+(5*8)+(4*0)+(3*3)+(2*9)+(1*1)=103
103 % 10 = 3
So 131803-91-3 is a valid CAS Registry Number.
131803-91-3Relevant articles and documents
Phenylhydrazones of β-ionone
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, (2008/06/13)
β-ionone pheylhydrazones of the formula I STR1 where R has the meaning indicated in the description, and the preparation thereof are described. The substances are suitable or controlling diseases and as cosmetic agents.