209688-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209688-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,6,8 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 209688-77:
(8*2)+(7*0)+(6*9)+(5*6)+(4*8)+(3*8)+(2*7)+(1*7)=177
177 % 10 = 7
So 209688-77-7 is a valid CAS Registry Number.
209688-77-7Relevant academic research and scientific papers
Pyrrolo[3,4-D] pyrimidinone derivatives and their use as medicaments
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, (2008/06/13)
PCT No. PCT/SE97/02157 Sec. 371 Date Feb. 24, 1998 Sec. 102(e) Date Feb. 24, 1998 PCT Filed Dec. 18, 1997 PCT Pub. No. WO98/28301 PCT Pub. Date Jul. 2, 1998The invention provides certain novel 5-substituted pyrrolo[3,4-d]pyrimidine-2,4-diones, processes f
