81713-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81713-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,1 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81713-77:
(7*8)+(6*1)+(5*7)+(4*1)+(3*3)+(2*7)+(1*7)=131
131 % 10 = 1
So 81713-77-1 is a valid CAS Registry Number.
81713-77-1Relevant articles and documents
REVERSIBLE THERMAL RECORDING MEDIUM
-
, (2008/06/13)
A thermosensitive reversible recording material having a thermosensitive recording layer formed on a substrate sheet and including a substantially colorless dye precursor and a color developing agent capable of reversibly color-developing and erasing the