1561581-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1561581-31-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,1,5,8 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1561581-31:
(9*1)+(8*5)+(7*6)+(6*1)+(5*5)+(4*8)+(3*1)+(2*3)+(1*1)=164
164 % 10 = 4
So 1561581-31-4 is a valid CAS Registry Number.
1561581-31-4Relevant articles and documents
SALTS OR CO-CRYSTALS OF ETHYL N-[2-AMINO-4-[(4-FLUOROPHENYL)METHYLAMINO]-PHENYL]CARBAMATE
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Page/Page column 16; 17, (2014/03/21)
A salt or co-crystal of ethyl N-[2-amino-4-[(4-fluorophenyl)methylamino]- phenyl]carbamate and one acid selected from the group consisting of hydrobromic acid, hydrochloric acid, methanesulphonic acid, benzenesulphonic acid, fumaric acid and salicylic aci
