81577-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81577-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,7 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81577-19:
(7*8)+(6*1)+(5*5)+(4*7)+(3*7)+(2*1)+(1*9)=147
147 % 10 = 7
So 81577-19-7 is a valid CAS Registry Number.
81577-19-7Relevant articles and documents
Skin-depigmenting prodrugs of hydroquinone
Nudelman, A,Ben-Ishai, Z,Ruse, M,Schamroth, J
, p. 159 - 164 (1993)
Novel mono-1 and bis-carbonates 2, and mono-3 and bis-pivaloyloxymethyl ethers 4 (bis-POM-ethers) of hydroquinone (HQ) evaluated as skin-lighthening agents, showed that: 1) they cause an initial depigmentation of the skin; 2) the depigmenting effect is no