189831-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189831-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,3 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189831-08:
(8*1)+(7*8)+(6*9)+(5*8)+(4*3)+(3*1)+(2*0)+(1*8)=181
181 % 10 = 1
So 189831-08-1 is a valid CAS Registry Number.
189831-08-1Relevant articles and documents
Phenanthridines substituted in the 6 position
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, (2008/06/13)
PCT No. PCT/EP97/01487 Sec. 371 Date Sep. 3, 1998 Sec. 102(e) Date Sep. 3, 1998 PCT Filed Mar. 24, 1997 PCT Pub. No. WO97/35854 PCT Pub. Date Oct. 2, 1997Compounds of the formula I in which R1, R2, R3, R31, R4, R5, R51 and R6 have the meanings indicated i
