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90549-90-9

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90549-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90549-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90549-90:
(7*9)+(6*0)+(5*5)+(4*4)+(3*9)+(2*9)+(1*0)=149
149 % 10 = 9
So 90549-90-9 is a valid CAS Registry Number.

90549-90-9Relevant articles and documents

Studies on analgesic oligopeptides. III. Synthesis and analgesic activity after subcutaneous administration of [D-Arg2]dermorphin and its N-terminal tetrapeptide analogs

Sasaki,Matsui,Fujita,Hosono,Taguchi,Suzuki,Sakurada,Sato,Sakurada,Kisara

, p. 1528 - 1536 (2007/10/02)

[D-Arg2]dermorphin and nineteen N-terminal tetrapeptide analogs were synthesized by a conventional solution method and their analgesic activities after subcutaneous administration to mice were examined. The analgesic effect was assessed by mean

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