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187980-19-4

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187980-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187980-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,9,8 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 187980-19:
(8*1)+(7*8)+(6*7)+(5*9)+(4*8)+(3*0)+(2*1)+(1*9)=194
194 % 10 = 4
So 187980-19-4 is a valid CAS Registry Number.

187980-19-4Relevant articles and documents

A versatile approach to PI(3,4)P2, PI(4,5)P2, and PI(3,4,5)P3 from L-(-)-Quebrachitol

Qiao, Lixin,Hu, Youhong,Nan, Fajun,Powis, Garth,Kozikowski, Alan P.

, p. 115 - 117 (2007/10/03)

(matrix presented) PI(3,4)P2 R1 = R2 = PO3H2, R3 = H ; L-(-)-quebrachitol PI(4,5)P2 R1 = H, R2 = R3 = PO3H2 ; PI(3,4,5)Psu

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