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875680-91-4

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875680-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 875680-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,6,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 875680-91:
(8*8)+(7*7)+(6*5)+(5*6)+(4*8)+(3*0)+(2*9)+(1*1)=224
224 % 10 = 4
So 875680-91-4 is a valid CAS Registry Number.

875680-91-4Relevant articles and documents

Synthesis of novel optical isomers of α-methylpolyamines

Grigorenko, Nikolay A.,Khomutov, Alex R.,Kein?nen, Tuomo A.,J?rvinen, Aki,Alhonen, Leena,J?nne, Juhani,Veps?l?inen, Jouko

, p. 2257 - 2262 (2007/10/03)

Earlier unknown (R)- and (S)-α-methylspermidine, (R)- and (S)-α-methylspermine, (R,R)-, (S,S)-, and (R,S)-α,ω-dimethylspermine were synthesized in gram scale from readily available (R)- and (S)-2-aminopropanols in high overall yields.

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