919995-32-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919995-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,9,9 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 919995-32:
(8*9)+(7*1)+(6*9)+(5*9)+(4*9)+(3*5)+(2*3)+(1*2)=237
237 % 10 = 7
So 919995-32-7 is a valid CAS Registry Number.
919995-32-7Relevant articles and documents
NEW PYROCATECHIN DERIVATIVES
-
Page/Page column 19, (2008/06/13)
Pyrocatechin derivatives of formula I wherein R illustrates a group of formulae Ia, Ib, Ic or Id R1 is 4-halogen-but-2-enyl, R2 is lower alkyl or cycloalkyl, R3 is lower alkoxy and R4 is lower alkoxy lower alkox